Writing custom directives in angularjs




Matching Directives. Before we can write a directive, we need to know how AngularJS's HTML compiler determines when to use a given directive.. Similar to the terminology used when an element matches a selector, we say an element matches a directive when the directive is part of its declaration.. In the following example, we say that the element matches the ngModel directive


Custom directives are used in AngularJS to extend the functionality of HTML. Custom directives are defined using "directive" function. A custom directive simply replaces the element for which it is activated. AngularJS application during bootstrap finds the matching elements and do one time activity using its compile() method of the custom directive then process the element using link() method of the custom …


Create New Directives. In addition to all the built-in AngularJS directives, you can create your own directives. New directives are created by using the .directive function. To invoke the new directive, make an HTML element with the same tag name as the new directive.


Attribute directives. In the html file write following attribute inside html tag. This tag will hold code snippet. When we want to use specific code we simply write such tags to include that code.

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. Then in the JS file, write following lines to make above angularJS custom directive work.


Directive is one of the most powerful tools writing AngularJS, and it includes attributes such as ng-show, ng-include, and ng-bind. In addition to this, AngularJS allows developers to define custom directives that directives the application specifications and requirements angularjs more clearly and semantically than regular HTML elements.


The directive allows you to create custom tags in AngularJS. By adding existing or custom Angular Directives, one can get the functionality work in the application. Technically AngularJS tells the browser while compiling, to attach behavior to the element or transform the DOM element.


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Writing custom directive to add tooltips to ng-options in AngularJS (TypeScript) Ask Question Asked 1 year ago. ... Since you are new to AngularJS, consider using the custom select plugins, because working with ng-options will either be too difficult or the result will be full of bugs.