How to call pure JavaScript function from Angular 2 component?
external.js is loaded using import and in ngAfterViewInit() I want to call the init() function that is in external.js which calls all other methods in that external file. Here is part of external.js – you can import and declare your external object. after that you can use it in your component. I hope this helps. I followed your example.
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What to do when component is built in angular?
When the component is built, have it assigned to a global variable. You can then reference from there and call the methods. Don’t forget to use zone.run ( () => { }) so that Angular receives notifications about required change detection runs.
How to call component function from outside angular zone?
} } I had a similar situation using the ‘eventClick’ callback from the fullCalendar library, whose callbacks return from outside the angular zone, causing my application to have unreliable and partial effects. I was able to combine the zone focus and a closing reference to the component as seen below to raise an exit event.
How to create a function in Angular 2?
Add this function in HTML page header tag. Add Angular 2+ files in the demoOutsideCall.html header tag. Create an Angular 2+ project using the Angular CLI command and write the following code in the AppComponent class.
How to create a javascript file in angular?
First, create a JavaScript file inside the src/ folder, add the following code as an example: (function hello() { alert(‘Hello!!!’); })() Then add the script to the scripts array in the angular.json file: You can also just declare and call your JavaScript functions in any component, since it’s a TypeScript file.
How to declare and call JavaScript functions in a component?
You can also just declare and call your JavaScript functions in any component, since it’s a TypeScript file. For example:
How to call AngularJS function from jQuery-dot net concept?
Many times it may happen that you need to call a method created in angularJS in javascrip/jquery function block. A scenario might be that you are using angularJS in your MVC application and you are making an ajax call and the OnSuccess() event needs to call an angularJS method in your javascript code block. Don’t follow my words.