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Jquery uses the val method to read and write value_jquery

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Release： 2016-05-16 15:58:30

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The example in this article describes how Jquery uses the val method to read and write value values. Share it with everyone for your reference. The details are 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></title>
<script src="jquery-1.6.2.min.js" type="text/javascript"></script>  
<script type="text/javascript">
$(function () {
  $("#btnTest").click(function () {
    //----1.读取value的值
    alert($("#btnTest").val());      
    //----2.设置value的值
    $("#btnTest").val("我是修改后的文本");
  });
});
</script>
</head>
<body>
<input id="btnTest" type="button" value="我是原始文本" />
</body>
</html>

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

Related labels：

jquery val method

source：php.cn

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