Angular observe variable change Jan 6, 2014 · DOM not being updated when the value of a controller variable changes 0 Angular - Template not refreshed with data bound from two different scopes to the same service Feb 28, 2016 · How can I listen to angular component binding change and perform actions? angular. The $watch function in AngularJS is a powerful tool for observing changes in variable values or expressions. Both of these hooks fire after the component's view has been composed. Apr 14, 2017 · I have an input type text and i need to watch the variable bound to that input for changes. observe is deprecated and removed in Chrome 50 Break on variable change in Chrome using AngularJS. user = { options: [ Apr 10, 2018 · Yes, I know this is a bad pratice, and I totally used to avoid this in AngularJS. value('showSelectOnly', true); Feb 5, 2017 · We just create a watch on "ctrl. How to detect change to a property in Angular. I observe that apply is called when the app is started, as describe in the API docs. But that would be a bit cumbersome, I think you would be better of to create a global observable object Aug 14, 2012 · This seems like a use-case that's crying out for inclusion in the framework by default. You can then compare that to the new value every time before you update it. Jun 6, 2016 · I´m trying to build a delayed message box. Angularjs, watching variable value change. But there is no link to this. With your soulution a can't be sure the html is already rendered at this point. How can I make the component listen to that boolean and execute a function if that b The problem occurs when you change some field within the objects: the child components are not notified of those changes. value('page', true) . When the variable contains certain data then I need to alter that variable a bit. 1. /array-watch-demo. user). myForm = fb. But there is an easier way to do that. if is true take a div class and if is false take another div class. This will notify us about changes made to "myData" variable and execute a function where we can write our logic to do anything desired with its value. Hot Network Questions Didactic tool to play with deterministic and nondeterministic finite automata Apr 2, 2018 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand because the child component initiates only when its parent component gets loaded For an Input() binding it doesn't make a difference if it is a simple property or one with a setter, Angular change detection is run recursively from the parent component to all child components and will detect the property changed. dom-change. Progress bar doesn't update angular. It will update the scope whenever those attributes change. watch() but those are not very widely suported features (unfortunatly), meanwhile I know AngularJS does something to watch changes on objects I'm trying to create an script with this capability but much much lighter than Angular. So in order to fire your watch, you need to force Angular to run a digest when you change myVar. how to observe if variable changes value in javascript? 2. I tried various things based on many qns here on stackoverflow, but I've been unable to make it work. Ask Question Asked 10 years, 9 months ago. ts Oct 3, 2018 · How to observe property change in RxJS? 0. – Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Mar 28, 2016 · I've a simple question about change detection. Next, navigate into the new project directory and install the rxjs library, which we will use to create the Subject. Apr 8, 2016 · You can wrap them in a form and listen to changes. Declare in some common service, a service that they share as same, e. So what you do is load a global service up, have it read local-storage once, and then whenever that variable might change via me changing my webtoken or something, I wrap that variable with an observable and watch for changes to that variable, including re-updating local storage, and whatever else I want to do with that change. Option1: use ngZone. Using NgZone to run some code outside of Angular to avoid triggering change detection is a common optimization technique. 03: Object. To solve this add observe: 'response' which returns HTTPResponse. Because the value of observe affects the type returned by HttpClient, it must have a literal type and not a string type. Debugging Jul 20, 2018 · If each variable change shall retrigger data. , externally), then angular will not know of the changes. An action occurs (http request) and the variable is set to true. We can use a ResizeObserver (class from import ResizeObserver from 'resize-observer-polyfill'; ) without library . Sep 30, 2018 · I'm trying to subscribe the changes of variable from angular service without to subscribe it in the component. At a high level, Angular walks your components from top to bottom, looking for changes. Feb 3, 2014 · Watch variable outside angular change values and then update an angular function at the root scope. ; Then you may observe changes of this scope object via Chrome's Object. Method 1: You take charge of detection. Here is an explanation of how you can do this. This is what I've tried so far. Dec 19, 2021 · However, now I need to refresh the items list when there is any change in a variable. currentTable is changed, How can I watch for this Detecting a change in any element of the angular component. Apr 22, 2018 · I'm fairly new to Angular, I work mainly with VueJS. observe() method was used for asynchronously observing the changes to an object. Oct 7, 2015 · @gdi2290 we should be able to watch or observe component variables. Normally with Angular apps, you should change the Angular models, which then drive view/DOM updates. Jul 2, 2013 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Feb 28, 2022 · Angular makes use of observables as an interface to handle a variety of common asynchronous operations. And when Angular reads the time value during the next change detection cycle, the value will be updated and the changes will be reflected on the screen. The watch function is not explicitly called. Important think i need to detect every change no only on init. Jul 30, 2015 · Does it have something to do with isolated scope? The problem is the fact that dir-one separates its scope from the parent. It triggers a callback function when a Feb 11, 2019 · Well, as suggested use Observables, this is not really such a big hassle and it works quite well. The simplest way is that of @José Antonio Postigo in his answer (i voted that answer). import { Component, Input, IterableDiffers, DoCheck } from '@angular/core'; @Component({ selector: 'app-array-watch-demo', templateUrl: '. None of the instance variables in your ViewTaskComponent are being updated inside your save method. Oct 29, 2019 · Good morning, I'm developing a simple (for now) app in Angular to train myself, but I can't seem to catch a variable change in a service. CONS: If there are more watched variables in a single page (>2000–3000), you may see lag while page loading. This happens automatically if the options object passed to the request method is a literal object, but if you're extracting the request options out into a variable or helper method you might need to explicitly specify it as a literal, such as Apr 3, 2015 · In AngularJS, when you refer to variables with underscores inside a directive, you have to use the camelcase version. prototype. I read about ngOnChanges() but I saw that this only works for inputs. It allows developers to monitor the value of specific variables and execute a function whenever these values change. this. Jun 23, 2023 · In this article we are going to see a new feature in angular 16 named signal, which will work like watch a variable for change. Aug 8, 2015 · 環境angularjs1. I wanted to write code which will be triggered when AppModel. Changes are only triggered if you manually reassign the array to its variable. Chrome breakpoint on radio doesn't fire-1. If you are trying to create a Validation solution, please refer to the validation guide on the AngularJS. (But I say if there Jan 22, 2017 · watch rootScope variable to change the progressBar value. May 14, 2015 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Literal value for observe. The observer pattern is a software design pattern in which an object, called the subject, maintains a list of its dependents, called observers, and notifies them automatically of state changes. Your function is changing the message value on the scope in the same function. Hot Network Questions Jan 27, 2013 · angularjs watch for change in scope variable made from another controller. I have a component and a (global) service with a boolean inside. myForm. Hot Network Questions Sous vide pouches puffed up - Is this product contaminated? Where did Tolstoy write that a man is like a Dec 3, 2015 · angularjs watch for change in scope variable made from another controller. It supports both in one service. Functions always play a vital role as part of change detector so it ensures that your change in variable reflects. Angular normalizes an element's tag and attribute name to determine which elements match which directives. It's not more than a few lines actually. But when the observed value is changed, it isn´t called. How to track scope variable changing in AngularJS. In *. sku = this. Eg: Where you would be changing the count, after making the change do a broadcast: Jul 22, 2014 · AngularJS watch array of objects for data change; How to get an object that was changed in angularjs? How to deep watch an array in angularjs? UPDATE 1. In the OnPush Change Detection Strategy, the Aug 25, 2023 · Observables are a technique for event handling, asynchronous programming, and handling multiple values emitted over time. 10. I can't find a simple tutorial for Observable and its syntax. I'd submit that if you're watching two separate values, there's nothing wrong with setting up two watches for them with a shared function between them: My question is why does this happen and how can I dynamically change the first declared variable in the class? (public slideNumber = 1) Clarification. Angular Watch Function . TLDR; What I'm trying to do, is whenever the variable "open_popup" changes, make it change on the component too also be able to change the service variable from a component function. The problem is i wqant to detect that changes from another component and pass it into HTML. I read this solution. ts. Angular 4 Watch Detect Changes. Sep 29, 2015 · Suppose I wanted to do something like automatically run some code (like saving data to a server) whenever a model's values change. In the OnPush Change Detection Mar 30, 2018 · I have a variable on a class called isLoading (boolean) with a default value of false. Little performance tip if somebody has a datastore kind of service with key -> value pairs:. 61. One extra remark: if you're watching a model that contains an object, you should use an extra third parameter that tells AngularJS to compare both values by object equality and not by reference (as the reference would not change and thus not trigger the watcher) like this: Oct 20, 2018 · It looks like the playing is not being capture as a part of change detector mechanism in Angular. Refer to this. ngOnChanges ( changes : SimpleChanges ): void Dec 5, 2013 · I have a controller that has a counter that changes from time to time. directive. If you are not using FormBuilder, there are two ways to be notified of changes. e. It's one way Angular maintains reasonable performance. As discussed in the comments on the question, use an event binding on each input element. Modified 9 years, 2 months ago. Feb 23, 2016 · Key Takeaways. Jul 18, 2015 · AngularJS : watch/observe attribute change. I know of Object. My component: I'm trying to watch for changes in a service from a controller. This could be a comparatively less expensive option. . So even if myVar has changed, Angular sees no reason to start a new digest cycle, since nothing has happened (at least that Angular knows about). RXJS - Watch variable for change. Summary. With that, you can just update showSelectOnly when page is changed. 11. Angular change detection and runtime optimizationlink. The basic syntax for using the watch angularjs : change which variables to watch. I was assuming the takeUntil property would work best but I seem to be doing something wrong. angular-university. Sep 25, 2012 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Apr 11, 2022 · If you click the “change” button, the title will change as expected because Angular 12 watches all of your component variables for changes and reflect those changes within the HTML. component('myComponent', { templateUrl: 'some. So, to watch every changes on a variable that is declared on your component class, you have to wrap it using interpolation, like: {{variable}}. Oct 15, 2019 · The global function attaches event handlers so it isn't enough to change the html before. Watch for changes inside a scope. Jul 30, 2018 · Watch for a variable change Angular. 3値の変更監視ある値の変更を監視して、変更したら、 するというときに便利なwatch と warchGroup について1. Essentially, when an event occurs, change detection is triggered and the new data gets displayed Let’s start with the Angular way, which is using the dedicated ngOnChanges lifecycle hook. I am listing them and get the dates by observable. sku Apr 12, 2024 · Angular provides an interop to convert signals to observables via the toObservable() function. I tried with Observables but it doesn't trigger the change event. Watch changes in component variable Angular 5. Ask Question angular 4 - watch property of a variable for change. The problem is that nothing triggers Angular change detection mechanism. Implement mechanism which will trigger change detection using tick() method from ApplicationRef class: Dec 21, 2012 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jan 5, 2016 · If you are using FormBuilder, see @dfsq's answer. Dec 4, 2017 · It is all about angular js and web developing. Mar 16, 2018 · Other answers are right but they are missing the example. I'm working with Angular, I need to call a function (defined in a component) from a service. It isn't the usual problem of not $ May 16, 2018 · You could create a directive that uses MutationObserver to listen to attribute changes in the DOM for your specific element. cd variable-change-example npm install rxjs Here we will learn $watch() function in angularjs and how to use $watch() function in angularjs applications to watch scope variable changes with example. In the Default Change Detection Strategy, the diffing runs from any action from the action list, and by value comparison between @Input variables. For example, if you want to create a service or some library you will need an observe variables without relate the props with the template. – Tarek El-Mallah Commented Jun 30, 2016 at 18:17 Dec 21, 2017 · Angular isn't running changeDetection because you aren't asking it to. I want to know how I can detect when a variable gets updated. Is the only way to do this by setting something like ng-change on Jul 9, 2013 · Stewie's suggestions will work. What I need is to listen from component to that variable change. Change Detection Angular's change detection system automatically detects changes to variables and expressions. One-way Data Binding : Angular’s change detection is based on one-way data binding, meaning changes in the component’s state flow from the component to the view. Mar 13, 2017 · please refer to this Angular 2 documentation: Lifecycle Hooks. ngOnInit changes the public slideNumber = 1 to 3; Carousel function creates it's own property this. Change detection is the process through which Angular checks to see whether your application state has changed, and if any DOM needs to be updated. The MessageC i am trying to create an observable to watch a variable in my app, and as soon as the variable changes to null, all subscribers should be notified and completed. controls['sku']; this. slideNumber = 9 Sep 6, 2017 · I stored some objects in LocalStorage and in ngOnInit hook I receive this data to the array which I display in template with *ngFor. PROS: This is the way Angular achieves Two-way data binding. Angular 2+ detect object property change inside service. In this way you need setter and getter for any member of your class that you need to be aware of their changes and emit an event. $watch('[age,name]', function { }, true); You have to set the third parameter to true in this case. css'] }) export class ArrayWatchDemoComponent implements DoCheck { @Input() datasource: Array<any> = []; differ: any; constructor Aug 9, 2017 · I am trying to access the localStorage using Angular 4 and look for changes in the localStorage values using the Observables: Here's the code I have been working on: userNameObservable: Observabl Mar 25, 2015 · I'm making a fairly trivial notification system where I want a main menu (outside ng-view) to display the last activity of the user, from what I've read it looks like a service is best used to Jun 16, 2016 · One way I can think of would be to broadcast the change and then listen for such a broadcast. Jan 19, 2019 · @Input() editing: boolean; // <--- detect change on this @Output() editingChange = new EventEmitter(); How can I check when a change to the editing property occurs from the timeline component? I need to emit the editing value whenever it changes. Jul 1, 2016 · I have the AngularJS module declaration as below. observe() The Object. Nov 5, 2015 · How to watch for a route change in AngularJS? 26. required] }); this. toObservable(this. Ask Question Asked 9 years, 4 months ago. Nov 3, 2016 · I wrote a StorageService to support Observable localStorage and sessionStorage. import Jul 25, 2014 · This allows you to 'watch' your model and perform some action if needed. html', styleUrls: ['. taskService Jul 22, 2013 · I have a watch setup against the model of a ui-select2 dropdown (from ui-bootstrap). In this article we are going to discuss about detecting an item changes from another component. myData". In your code, after updateTask() finishes, it returns to save() in your ViewTaskComponent. Jul 2, 2019 · What i want is, when the JuegoDatos change (sessionStorage property, binded to typescript variable) detect it so i can get the new id of the file and update the background. In AngularJS I have a directive that watches a scope variable. task in the subscription callback to this. As OP clarified, that changes are related with model bound to component. – Johni. angular. myArray = []; $scope. You have two ways to solve it: First one. So I need an event that runs only when a certain variable (lets called it itemCategories) changes its value lets. This is pretty much my code: Jun 23, 2023 · In this article we are going to see a new feature in angular 16 named signal, which will work like watch a variable for change. module('myApp', []) . Jul 18, 2018 · The standard DEPRECATED way : Object. With that in mind, we actually don't have a 'native' state watcher as React does. The first is to use setters and getters for the playing variable. But I can't figure out how to change the value in the Observable created in the service (maybe the creation is not the best method). ' The idea of using a watch is good as well, but I think a simple variable is the simplest and most logical solution. 0, how to detect route change on child component. Subscribe to the change in the value of a variable in an Dec 18, 2013 · Basically whenever a change happens outside of angular (for instance this is a common issue when jQuery causes the change) something has to tell Angular to go see if something changed. Sep 27, 2014 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jan 13, 2021 · In my Angular2 application I have an object with some properties similar to this: var person = { firstname:"Tom", lastname:"Hanks" }; If one of these properties, for e Oct 29, 2014 · Just keep a currentValue variable in your controller that you update on every change. Angular2 watch for route change. observe() and Object. I'm used to working with Knockout JS and I need to get an effect similar to that of observableArrays. group({ 'sku': ['', Validators. How can i use RXjs to watch this variable? Jan 2, 2016 · If, in addition to automatic two-way binding, you want to call a function when a value changes, you can break the two-way binding shortcut syntax to the more verbose version. counter: WritableSignal<number> = signal(4) count$ = toObservable(this. Here is my code which I tested: Service: import { Injectable } from '@angular/core'; Nov 26, 2020 · In Angular, we use two-way data binding to achieve this purpose. However, if you take the next component, you will find that the same thing does not happen and the HTML does not update, since angular is not able to monitor Aug 2, 2017 · Why would you want a variable to change inside a service? Services are typically used to fetch server data, validate user input, or log directly to the console. Nov 19, 2009 · The question is about variables, not object properties! So my approach is to take advantage of the window object, with its custom getters/setters, and then use/change the variable like a "normal" variable (not like an object property). 2. You have access to angular value in your entire angular module app. io Jan 12, 2021 · In the Default Change Detection Strategy, the diffing runs from any action from the action list, and by value comparison between @Input variables. Fix : You have a couple of choices. But in my current project I'm creating a functionality that keeps my application current state in sync with localStorage using this library: ngrx-store-localstorage. According to the documentation, Angular's unidirectional data flow rule forbids updates to the view after it has been composed. Mar 3, 2015 · This part tells AngularJS to create an isolated scope. If you are mutating data outside of the angular context (i. – Aug 23, 2016 · angularjs watch for change in scope variable made from another controller. There are some alternatives that can be done in this situation such as: I don't think you need a watch for this case. g a service declared as provider in that module, so that you do not end up with two instances of the same service. – Feb 14, 2013 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Dec 25, 2018 · So i have an object with few items with a date property. 4. I'm updating my variable through a DataService. Jul 26, 2018 · ive been trying to make Angular update the service variable "open_popup" for days with no luck. Apr 15, 2015 · good solution, but when the variable change it doesn't affect watch directly unless there is any other changes in the current scope. This will create a new directory called variable-change-example with the basic structure of an Angular application. angularjs watch for change in scope variable made from another controller. (But I say if there Jul 18, 2015 · AngularJS : watch/observe attribute change. Jan 22, 2017 · watch rootScope variable to change the progressBar value. Here I have declared value AppModel. myArray Nov 26, 2020 · I need to detect when any variable change values and call any function. Nov 28, 2024 · Change Detection Cycle: Angular runs a change detection cycle, during which it checks each component for changes and updates the DOM if necessary. Is it poss Oct 23, 2018 · Angular subscribe to change of variable in another component Hot Network Questions Can statements made by a Juror after a trial be grounds for a re-trial? Feb 27, 2013 · There is no magical data transfer taking place. I’ve created this example for you to explore before we begin so you can see how the radio buttons emit change events, which then use combineLatest to pass the selected player down into the <selected-player> component via a player property: Jul 12, 2017 · I want to watch the nested property of a json. 5. module('myapp') . component. But there are a thousand ways to skin this cat. Angular 2, on the other hand, accepts both (change) and (ngModelChange) events, which both seems to be doing the same thing. So another option with mentioned by @marvstar is using set, where each model variable change will retrigger fetching function: Little performance tip if somebody has a datastore kind of service with key -> value pairs:. I made it work by using an interval. Jul 24, 2013 · angularjs watch for change in scope variable made from another controller. I could add an individual watch for each object to know when the baseValue is changed, but it won't be nice if I had an n number of objects, not only a couple of objects like in this example Apr 9, 2013 · Since you are doing it outside of the Angular "boundry", Angular is not going to know, also adding UI code in Controllers is not the way to go. May 24, 2013 · This should work independent of the types and values: $scope. A callback method that is invoked immediately after the default change detector has checked data-bound properties if at least one has changed, and before the view and content children are checked. Method 1. here is my implementation: Apr 30, 2023 · ng new variable-change-example. Tracking a change in a variable in Angular. subscribe((newUser) => /* when user changes */); Share Dec 20, 2015 · This is an extension of @ Emmanuel's answer above to answer @Martin Velez, although I know it's pretty late! (Also I can't make comments yet, so if this isn't the right place for this, sorry!) Mar 20, 2019 · userDetails are already declared in the service. 単一の… Apr 8, 2020 · So, when i click the variable addUsuario change to false if is true and to true if is false. myArray = null; $scope. See full list on blog. When the action completes, the variable is set back to false. The watch function in AngularJS plays a crucial role in tracking changes in the application’s model. import { BehaviorSubject, Observable Here is a comparison of the 3 ways you can watch a scope variable with examples: $watch() is triggered by: $scope. Angular 2. Whenever this nested property changes call a fn(). How can I achieve this? Angular version is 12 and I am new to this Jan 17, 2024 · Let's now quickly summarize everything that we need to know about Angular change detection: what is it, how does it work and what are the main types of change detection available. Watch for changes inside a Oct 17, 2016 · Is it possible to detect change in a variable? I have the following: @Input('name') name: string; I would like to call a function whenever change is happened in this variable 'name'. and if it changes grab the data to component. Edit 2016. What I mean is that I have a component subscribing a variable from a service, but when the variable in the service gets updated, the variable in the component does not. The main answer first when the responseType is set the return type of the response is changed to Blob. The problem is that when I change the variable that Feb 8, 2018 · As far as I know, There are two methods to detect changes in internal state of angular classes. Change Detection Strategies Angular provides different change detection strategies (default, onPush, and custom) that control how frequently change detection is performed. You may have to use ChangeDetectorRef or NgZone in your component for making angular aware of external changes and thereby triggering change detection. observe. Hot Network Questions Heat liquids (water, milk) to specific temperature? What is a good way to DM searching for Sep 5, 2017 · This happens because the watch will only be triggered if the value is changed "between" digest loops. Mar 23, 2020 · Angular has an awesome built-in feature for updating views dynamically known as Change Detection. It provided a stream of changes in the order in which they occur. Upon refresh the page or if you change the date for one of this object, i want to know which one has the date changed from the previous observable call. How can I watch for changes in LocalStorage and automatically up Jun 21, 2018 · How to watch service variable in Angular 6. And service has method to get new data into that variable. As all watched variable are in a single loop (digest cycle), any value change of any variable forces to reassign values of other watched variables in DOM. Taken from the official documentation:. Even a computed property as simple as fullName = firstName + " " + lastName requires passing a function as the first argument (rather than a simple expression like 'firstName, lastName'). html: <div ng-app="myAp Jul 11, 2024 · Now let’s take a deep dive in the Angular Watch function. Angular 1 does not accept onchange() event, it's only accepts ng-change() event. Based on that variable I have to tell ng-class to reevaluate it's function expression so the class bookmarked get's added or not. Well, you can achive the desired feature via console: First get access to the scope, on which show property is defined. If there are multiple variables that you want to watch, you might be tempted to create a watch on every such variable. StorageService. AngularJS will create watchers for the attributes of this directive for those properties. export class HeaderComponent { user: any; constructor(){ this. Jan 12, 2021 · Conclusion. So In component I want to have the same userDetails variable updated form service variable on change event. Function now is not important, i need only to detect if any values is changed. 0. Can someone give me an example or some Observables are a technique for event handling, asynchronous programming, and handling multiple values emitted over time. While a good component presents properties and methods for data binding. 3. Mar 29, 2014 · Is there a way I can watch the rootScope variable for changes in order to update controllers specific variables with any changes to the root scope variable? Below is the code I am using so far, can someone please tell me what I am doing wrong and how to fix it? Feb 13, 2014 · Watch variable outside angular change values and then update an angular function at the root scope. For example: The HTTP module uses observables to handle AJAX requests and responses Feb 28, 2017 · Maybe I'm missing something. That counter is tied to an attribute of a directive and read inside the link function of that directive. The watch fires on load but not on data changes and I can't figure out why. html', controller Apr 1, 2014 · I'm trying to implement a bookmark-like function into my app and have to watch a variable, which stores all the bookmarked ID's. run to notify angular to render the view again. Angular change detection is a built-in framework feature that ensures the automatic synchronization between the data of a component and its HTML template view. Watch for a variable change Angular. You don't have to observe them. If you have a service called dataStore, you can update a timestamp whenever your big data object changes. You might want to look into using angular value instead. qniy ntlv ixvwmb zth kzfds vfp xbzu mhgoc cefq eplk