jquery selects the value in the drop-down box to count to the text box-JS Tutorial-php.cn

jquery selects the value in the drop-down box to count to the text box

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Release： 2018-04-19 14:16:05

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This time I will bring you jqueryWhat are the things to pay attention to when selecting the drop-down box and counting the value in the text box, and jquery selecting the value in the drop-down box and counting it to the text box? , the following is a practical case, let’s take a look. The specific code is as follows:

<!DOCTYPE html>
<html>
<head>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
 <title>jQuery添加下拉框元素</title>
 <script src="https://cdn.bootcss.com/jquery/1.10.2/jquery.min.js"></script>
</head>
<!-- 加在body标签中屏蔽右键 oncontextmenu="return false" -->
<body >
<select name="city" id="s2" lay-search>
 <option value="">请选择</option>
 <option value="layer">layer</option>
 <option value="form">form</option>
 <option value="layim">layim</option>
</select>
<button class="layui-btn " type="button" id="add_subject">添加</button>
<input name="subject" id="subject" type="text" data-label="," value="">
<script>
  var seleVal='';
  $("#add_subject").on("click",function(){
    seleVal+=$("#s2>option:selected").val()+',';
    $("#subject").val(seleVal);
  })
</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!