ng-class
Description
ng-class dynamically sets the class of an element by binding an expression.
The following code shows how to ng-class.
Example
<!doctype html>
<html ng-app="myApp">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.0-rc.2/angular.js"></script>
<style>
.red {<!-- ww w . j av a2s . c o m-->
background-color: red;
}
</style>
</head>
<body>
<div ng-controller="MyController">
<div ng-class="{red: x > 0}">
Label
</div>
<button ng-click="x = 1" ng-init="x = -1">click</button>
</div>
<script>
angular.module('myApp', [])
.controller('MyController', function($scope) {
})
</script>
</body>
</html>