Created
July 4, 2014 10:30
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AngularJS - Timed $watch test
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| body { | |
| background-color: white; | |
| } | |
| .model-box { | |
| padding: 1em; | |
| border: 1px solid #ccc; | |
| -webkit-border-radius: 10px; | |
| border-radius: 10px; | |
| } | |
| .log { | |
| display: block; | |
| background-color: #efefef; | |
| border: 1px solid #ccc; | |
| height: 18em; | |
| overflow: auto; | |
| -webkit-border-radius: 10px; | |
| border-radius: 10px; | |
| -webkit-box-shadow: inset 0px 0px 10px 0px rgba(0,0,0,0.4); | |
| -moz-box-shadow: inset 0px 0px 10px 0px rgba(0,0,0,0.4); | |
| box-shadow: inset 0px 0px 10px 0px rgba(0,0,0,0.4); | |
| } |
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| var app = angular.module('watchApp', []); | |
| app.controller('WatchCtrl', function($scope, $timeout) { | |
| $scope.log = ''; | |
| $scope.model = {}; | |
| var timeoutPromise; | |
| var delayInMs = 1000; | |
| $scope.$watch( | |
| 'model', | |
| function (newVal, oldVal) { | |
| //does nothing, if timeout alrdy done | |
| $timeout.cancel(timeoutPromise); | |
| //Set timeout | |
| timeoutPromise = $timeout( | |
| function(){ | |
| $scope.log += JSON.stringify(oldVal)+'->'+JSON.stringify(newVal)+"\n"; | |
| //$scope.log += JSON.stringify($scope.model)+"\n"; | |
| }, | |
| delayInMs | |
| ); | |
| }, | |
| true | |
| ); | |
| }); |
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| <!DOCTYPE html> | |
| <html ng-app="watchApp"> | |
| <head> | |
| <link href="//cdnjs.cloudflare.com/ajax/libs/normalize/3.0.1/normalize.min.css" rel="stylesheet" type="text/css" /> | |
| <link href="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css" rel="stylesheet" type="text/css" /> | |
| <link href="app.css" rel="stylesheet" type="text/css" /> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body ng-controller="WatchCtrl"> | |
| <div class="container-fluid"> | |
| <h1>AngularJS $watch tests</h1> | |
| <div class="row"> | |
| <div class="col-md-6"> | |
| <h2>Model</h2> | |
| <div class="model-box"> | |
| <div class="form-group"> | |
| <label for="inpName1">First Name</label> | |
| <input type="text" class="form-control" id="inpName1" placeholder="First Name" ng-model="model.firstName"> | |
| </div> | |
| <div class="form-group"> | |
| <label for="inpName2">Last Name</label> | |
| <input type="text" class="form-control" id="inpName2" placeholder="Last Name" ng-model="model.lastName"> | |
| <p class="help-block">Example block-level help text here.</p> | |
| </div> | |
| <div class="checkbox"> | |
| <label> | |
| <input type="checkbox" ng-model="model.checkBox"> Check me out | |
| </label> | |
| </div> | |
| </div> | |
| </div> | |
| <div class="col-md-6"> | |
| <h2>Log</h2> | |
| <pre class="log">{{ log }}</pre> | |
| </div> | |
| </div> | |
| </div> | |
| <script src="//code.jquery.com/jquery.min.js"></script> | |
| <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script> | |
| <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.14/angular.min.js"></script> | |
| <script src="app.js"></script> | |
| </body> | |
| </html> |
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