AngularJS | ng-mouseenter Directive

The ng-mouseenter directive in AngularJS is used to apply custom behaviour when a mouse-enter event occurs on a specific HTML element. It can be used to show popup alert when mouse enters a specific position in a HTML element. It is supported by all HTML elements.

Syntax:

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

Example 1:

<!DOCTYPE html> 
<html> 
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/ 
    angular.min.js"></script> 
    <head> 
        <title>ng-mouseenter Directive</title> 
        </head> 
    <style type="text/css"> 
        .outerDiv { 
            width: 100px; 
            height: 100px; 
            background-color: green; 
            margin-left:40px; 
        } 
    </style> 
    <body ng-app style="padding:30px"> 
            <h1 style="color:green">GeeksforGeeks</h1> 
            <h2>ng-mouseenter Directive</h2> 
            <div class="outerDiv" ng-mouseenter="oc=oc+1;outer=true" 
                ng-mouseleave="outer=false"> 
                <p style="text-align:center;color:white">Mouse  
                     {{outer==true?'Enter':'Out'}}</p> 
                <br /> 
  
                <p style="text-align:center;color:white"> 
               {{oc}}<br /></p> 
            </div> 
    </body> 
</html> 

Output:
Before Mouseenter:
ngmousedown
After Mouseenter:

Example 2:

<!DOCTYPE html> 
<html> 
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/ 
    angular.min.js"></script> 
    <head> 
        <title>ng-mouseenter Directive</title> 
       </head> 
     <body  ng-app="app" style="text-align:center"> 
        <h1 style="color:green">GeeksforGeeks</h1> 
        <h2>ng-mouseenter Directive</h2> 
  
        <div ng-controller="app"> 
            Input: <input type="text" ng-mouseenter="alert()" 
                ng-model="click" /> 
        </div> 
        <script> 
            var app = angular.module("app", []); 
            app.controller('app', ['$scope', function ($scope) { 
                $scope.click = 'geeksforgeeks'; 
                $scope.alert = function () { 
                    alert($scope.click); 
                } 
            }]); 
        </script> 
    </body> 
</html> 

Output:
Before Mouseenter:
ngmousedown
After Mouseenter:

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