The click event triggers the content change of the span element.-JS Tutorial-php.cn

The click event triggers the content change of the span element.

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Release： 2017-12-29 09:41:23

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This article mainly shares with you how the checkbox:click event triggers the content change of the span element. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor to take a look, I hope it can help everyone.

Examples are as follows:

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>checkbox</title>
 <script src="jquery.js"></script>
</head>
<body>
<p>我想去<span id="spanId">_____</span></p>
<form action="#" id="form">
 <input type="checkbox" name="city" value="南京">南京
 <input type="checkbox" name="city" value="北京">北京
 <input type="checkbox" name="city" value="纽约">纽约
</form>
<script>
  $(function () {
   $("input[name=city]").click(function () {
    var arr = [];
    $("input[name=city]").each(function () {
     if(this.checked){
      arr.push(this.value);
     }else{
      var index = arr.indexOf(this.value);
      if(index != -1){
       arr[index] = "";
      }
     }
    });
    $("#spanId").text(arr.join(","));
   })
  });
</script>
</body>
</html>

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