Tuesday, March 3, 2015

ng-mouseover directive

As the name suggests the ng-mouseover directive is used to handle mousehover events from controls in the view layer. The ng-mouseover directive can be associated with any type of controls like buttons, links, div panels etc.

The syntax for the ng-mouseover directive is as follows

ng-mouseover = “<Function to be called in the controller layer>”

The function is defined in the controller under $scope, when the user triggers the event the function associated with the ng-mouseover directive gets executed and performs appropriate updates in the model ($scope) and the view.

The following example shows how the ng-mouseover directive associated with the Hover Mouse button shows and hides the Name based on the users mouse movement.

<html ng-app>
    <meta charset="utf-8">
    <title>AngularJS - Basic</title>
    <script src="angular.min.js"></script>
      function nameController($scope){
       $scope.FName = 'FirstName';
   $scope.LName = 'LastName';
   $scope.Name = '';
   $scope.Show = function() {
$scope.Name = $scope.FName + ' ' + $scope.LName;
   $scope.Hide = function() {
$scope.Name = '';
<div ng-controller="nameController">
First Name: <input type="text" ng-model="FName"><br/><br/>
Last Name: <input type="text" ng-model="LName"><br/><br/>
Your Name is :{{Name}}<br/><br/>
<button ng-mouseover="Show()" ng-mouseout="Hide()">Clear</button>

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