Home > Article > Web Front-end > jquery selects the value in the drop-down box to count to the text box
jquery selects the value in the drop-down box to count to the text box
- php中世界最好的语言Original
- 2018-04-19 14:16:051302browse
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>
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!
Recommended reading:
jquery reads json data and uses it in htmlHow to configure webpack with jqueryThe above is the detailed content of jquery selects the value in the drop-down box to count to the text box. For more information, please follow other related articles on the PHP Chinese website!