AngularJS ngmouseenter



  • ng-mouseenter directive is used to specify the custom behavior that execute when a mouse cursor enters the specific HTML element.
  • In AngularJS, the ng-mouseenter directive will not override the HTML element’s original onmouseenter event, both will be executed.
  • The ng-mouseenter directive is compiling at the priority level "0".(zero is a default priority level).
  • ng-mouseenter is supported by all HTML element.

Syntax for ng-mouseenter directive in AngularJS:

<element ng-mouseenter="expression" > </element>

Parameter value for ng-mouseenter directive in AngularJS:

Value Description
expression It is used to define an expression that execute when a mouse cursor enters the element.

Sample coding for ng-mouseenter directive in AngularJS:

 Tryit<!DOCTYPE html>
<html>
    <head>
        <title>Wikitechy AngularJS Tutorials</title>
        <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/
            angular.min.js"></script>       
    </head>
    <body ng-app="">
        <h2>ng-mouseenter directive in AngularJs</h2> 
        <button ng-mouseenter="count = count + 1" ng-init="count=0"> 
                Mouse over here!  
        </button> 
        <h3> The mouseenter count : {{ count }} </h3>
    </body>
</html>

Code Explanation for ng-mouseenter directive in AngularJS:

Code Explanation for AngularJS ngmouseenter

  1. AngularJS is distributed as a JavaScript file, and can be added to a HTML page with a <script> tag.
  2. The AngularJS application is defined by ng-app="". The application runs inside the <body> tag.It’s also used to define a <body> tag as a root element.
  3. The ng-mouseenter= “count=count+1” is used to increase the count variable by one,every time the mouse cursor enters the button element.
  4. The ng-init="count = 0" is used to define the initial value of the count variable is 0.
  5. The {{ count }} used to dynamically bind the count variable value when the user enter the mouse cursor on the button element.

Sample Output for ng-mouseenter directive in AngularJS:

    Sample Output for AngularJS ngmouseenter

  1. The output displays that a mouse cursor enters on a “Mouse over here!” button.
  2. The output shows that the content “The mouseenter count:1” when the mouse cursor enters the “Mouse over here!” button. Here the variable “count” will increased a value by 1, every time a mouse cursor enters the “Mouse over here!” button.

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