1、问题背景
angularjs利用ng-if指令来判断对象元素是否为空
2、实现源码
<!doctype html>
<html ng-app="ifapp">
<head>
<meta charset="utf-8">
<title>angularjs之ng-if指令</title>
<script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script>
<script>
var app = angular.module("ifapp",[]);
app.controller("ifcontroller",function($scope){
$scope.person = {
name:{
username:"张三",
sex:"男",
age:"23"
},
scores:{
item:"语文",score:"123"
}
};
});
</script>
</head>
<body ng-controller="ifcontroller">
<p ng-if="person != null">
<p ng-repeat="p in person">
<p ng-if="person.name != null">
<label>{{p.username}}</label>
</p>
</p>
</p>
</body>
</html>
3、实现结果
以上就是angularjs之ng-if指令的内容。