AnglurJS 回车事件动态添加li标签内容

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<!DOCTYPE html>
<html>


<head>
<meta charset="UTF-8">
<title>回车事件添加li标签</title>
<script type="text/javascript" src="js/angular.min.js"></script>
</head>


<body ng-app="myApp" ng-controller="myCtrl">


<input type="text" ng-model="name" ng-keydown="add($event)" />
<ul>
<li ng-repeat="nam in names">{{nam}}</li>
</ul>


<script type="text/javascript">

var mo = angular.module("myApp", [])


mo.controller("myCtrl", function($scope) {


//定义数组
$scope.names = [];
//回车事件
$scope.add = function($event) { //$event 事件。可以监听键盘事件


var keycode = $event.keyCode;


if(keycode == 13) {

for (var i = 0; i < $scope.names.length; i++) {
var n =$scope.names[i]
 
if (n==$scope.name) {
alert("不能重复")
return
}
}


$scope.names.unshift($scope.name);


}
}


})
</script>


</body>


</html>