AngularJS makes input box word limit reminder-JS Tutorial-php.cn

AngularJS makes input box word limit reminder

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Release： 2018-04-16 16:52:21

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This time I will bring you AngularJS to remind you about the word limit of the input box. What are the things to pay attention to when AngularJS makes the word limit reminder for the input box? The following is a practical case. Let’s take a look. .

<!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>

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I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!