The ng-mouseenter directive in AngularJS is used to apply custom behavior when a mouse-enter event occurs on a specific HTML element. It can be used to show a popup alert when the mouse enters a specific position in an HTML element. It is supported by all HTML elements.
Syntax:
Content ...
Parameter value:
- expression: The expression will execute only when the mouse cursor enters the specific region of an element.
Example 1: This example describes the use of the ng-mouseenter Directive in AngularJS by counting the number of times the mouse enters the specific area of an element.
<html>
<head>
<script src=
"https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/
angular.min.js">script>
<title>ng-mouseenter Directivetitle>
<style type="text/css">
.outerDiv {
width: 100px;
height: 100px;
background-color: green;
margin-left: 40px;
}
style>
head>
<body ng-app style="padding:30px">
<h1 style="color:green">GeeksforGeeksh1>
<h2>ng-mouseenter Directiveh2>
<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:
Example 2: This example describes the use of the ng-mouseenter Directive in AngularJS by displaying the alert message by entering into the input element's region.
<html>
<head>
<script src=
"https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js">
script>
<title>ng-mouseenter Directivetitle>
head>
<body ng-app="app" style="text-align:center">
<h1 style="color:green">GeeksforGeeksh1>
<h2>ng-mouseenter Directiveh2>
<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: