这次给大家带来angularjs做出输入框字数限制提醒,angularjs做出输入框字数限制提醒的注意事项有哪些,下面就是实战案例,一起来看一下。
<!doctype html>
<html>
<head lang="en">
<meta charset="utf-8">
<title>www.jb51.net angularjs字数提示</title>
</head>
<style>
*{
margin:0;
padding:0;
}
input,button,textarea,select{
outline:none;
}
textarea{
resize:none;
}
.content{
width:350px;
height:150px;
font-size:18px;
text-indent:40px;
overflow-y: hidden;
overflow-x: hidden;
}
.content:hover{
border:1px solid #00ffff;
cursor:pointer;
}
.top{
vertical-align:top;
}
.fontcolor
{
color:#eee;
}
.tablet td{
margin-right:20px;
}
</style>
<body ng-app="myapp" ng-controller="mycontrol">
<table class="tablet">
<tr>
<td class="top">退货说明 :</td>
<td><textarea id="sayid" class="content" ng-model="say" ng-keyup="changetext()"></textarea></td>
</tr>
<tr>
<td></td>
<td class="fontcolor">你还可以输入{{textlength}}字</td>
</tr>
</table>
</body>
<script type="text/javascript" src="../js/jquery-1.8.3.js"></script>
<script type="text/javascript" src="../js/angular.min.js"></script>
<script type="text/javascript">
var app = angular.module('myapp',[]);
app.controller('mycontrol',function($scope){
$scope.textlength = 10;
$scope.changetext = function(){
var length = $(#sayid).val().length; //使用$scope.say.length的时候,输入空格的时候没有计算空格长度。
console.log(length);
$scope.textlength = 10 - length;
if($scope.textlength<=0){
$scope.textlength = 0;
$(#sayid).val($scope.say.slice(0,10));
}
}
});
</script>
</html>
相信看了本文案例你已经掌握了方法,更多精彩请关注其它相关文章!
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以上就是angularjs做出输入框字数限制提醒的详细内容。