AnjularJS初学(模拟输入限制)

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模拟留言板,字数限制

<!DOCTYPE html>
<html ng-app="app">
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript" src="js/angular.js" ></script>
</head>
<body ng-controller="textlist">
<div>
<textarea cols="40" rows="10" ng-model="content" maxlength="100"></textarea>
</div>
<p>
<button type="submit" ng-click="sub_btn()">提交</button>
<button type="submit" ng-click="clear_btn()">清除</button>
</p>
<p>剩余<span ng-bind="cont()"></span>字</p>
</body>
<script>
var app=angular.module("app",[]);
app.controller("textlist",function($scope){
$scope.content="";
$scope.cont=function(){
var content_length=100-$scope.content.length;
return content_length;
}
$scope.sub_btn=function(){
//alert($scope.content);
//alert("NO Server");
console.log($scope.content);
}
$scope.clear_btn=function(){
$scope.content="";
}
});
</script>
</html>
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