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js simple method to dynamically increase the number of input boxes by clicking a button in a form_javascript skills

WBOYOriginal: 2016-05-16 15:44:302040browse

The example in this article describes how to simply implement js to dynamically increase the number of input boxes by clicking a button in a form. Share it with everyone for your reference. The details are as follows:

Here is a demonstration of how to dynamically increase the number of input boxes by clicking a button in a form. The default is that there is no input box. After clicking the button, the input boxes will continue to increase. Each time you click, one will be added. I think it is pretty good. I hope it will be helpful to you. helped.

The operation effect is as shown below:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-table-input-button-add-codes/

The specific code is as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>点击按钮动态增加输入框数量</title>
</head>
<body>
<script>var i=1</script>
<input type=button onclick="document.body.insertAdjacentHTML('beforeEnd','<input type=text name='+i+' value='+i+++'> ')" value=添加>
</body>
</html>

I hope this article will be helpful to everyone’s JavaScript programming design.

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