AngularJS ng-mousedown Directive
Last Updated :
08 Aug, 2022
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The ng-mousedown Directive in AngularJS is used to apply custom behavior when mousedown event occurs on a specific HTML element. It can be used to show a popup alert when the mouse button is pressed down. It is supported by all HTML elements.
Syntax:
<element ng-mousedown="expression">
Contents...
</element>
Parameter:
- expression: When the mouse button is clicked then the expression will be executed.
Example 1: This example uses ng-mousedown Directive to set the style of an element after clicking the mouse.
HTML
<!DOCTYPE html><html><head> <script src= </script> <title>ng-mousedown Directive</title></head><body ng-app style="text-align:center"> <h1 style="color:green">GeeksforGeeks</h1> <h2>ng-mousedown Directive</h2> <div> <p ng-mousedown="geek={'color':'green', 'font-size':'larger'}" ng-mouseup="geek={'font-size':''}" ng-style="geek" ng-class="'button'"> Hold mouse click to see effect. </p> </div></body></html> |
Output:
Example 2: This example uses the ng-mousedown Directive to display an alert message after clicking the input area.
HTML
<!DOCTYPE html><html><head> <script src= </script> <title>ng-mousedown Directive</title></head><body ng-app="app" style="text-align:center"> <h1 style="color:green">GeeksforGeeks</h1> <h2>ng-mousedown Directive</h2> <div ng-controller="app"> Input: <input type="text" ng-mousedown="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:
