How to use curly braces in vue-JS Tutorial-php.cn

How to use curly braces in vue

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Release： 2018-04-14 17:37:29

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This time I will show you how to use vue’s curly braces. What are the precautions for using vue’s curly braces? The following is a practical case. Let’s take a look. .

<!doctype html>
<html>
 <head>
 <meta charset="UTF-8">
 <title>{{}}的使用</title>
 <script src="js/vue.js"></script>
 </head>
 <body>
 <p id="container">
  <h1>{{msg}}</h1>
  <h4>{{cart.brand}}</h4>
 <!--在双花括号中 执行运算表达式 -->
 <p> 3 + 5 = {{ 3 + 5 }}</p>
 </p>
 <script>
  new Vue({
   el:"#container",
   data:{
    msg:"Hello VueJs",
    cart:{
     brand:"Volvo",price:30
    }
   }
  })
 </script>
 </body>
</html>

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Code:

<!doctype html>
<html>
 <head>
 <meta charset="UTF-8">
 <title>双花括号的练习</title>
 <script src="js/vue.js"></script>
 </head>
 <body>
 <p>
 双花括号:执行表达式,将表达式的结果 输出到当前调用的元素的innerHTML中
 </p>
 <p id="container">{{msg}}
  <h4>三目运算3>5:{{3>5?"对":"错"}}</h4>
  <h4>逻辑运算3>5 && 2>1:{{3>5 && 2>1}}</h4>
  <h4>{{!hasMore}}</h4>
  <h4>{{totalNum>count?"大于":"小于"}}</h4>
 </p>
 <script>
  new Vue({
   el:"#container",
   data:{
    msg:"Hello VueJs",
    count:3,
    totalNum:10,
    hasMore:true
   }
  })
 </script>
 </body>
</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!