怎么得到 未提交的文本域的值
日期：2014-05-17 浏览次数：20837 次
如何得到 未提交的文本域的值
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 无标题文档 </title>
</head>
<body>
<form id= "form1 " name= "form1 " method= "post " action= "asdf.asp ">
<label> 性别 男
<input type= "radio " name= "radiobutton " value= "男 ">
女
<input type= "radio " name= "radiobutton " value= "女 ">
</label>
<label>
<input type= "submit " name= "Submit " value= "提交 ">
</label>
</form>
<label> </label>
</body>
</html>
如何在未提交的情况下获得单选按钮的值 即value值
------解决方案--------------------
男
<input type= "radio " name= "radiobutton " value= "男 " onclick= "alert(this.value) ">
女
<input type= "radio " name= "radiobutton " value= "女 " onclick= "alert(this.value) ">
------解决方案--------------------
form1.radiobutton[0].value
form1.radiobutton[1].value
分別為兩個單選按鈕的值
------解决方案--------------------
document.form1.getElementsByName( "radiobutton ")[0].value
document.form1.getElementsByName( "radiobutton ")[1].value
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 无标题文档 </title>
</head>
<body>
<form id= "form1 " name= "form1 " method= "post " action= "asdf.asp ">
<label> 性别 男
<input type= "radio " name= "radiobutton " value= "男 ">
女
<input type= "radio " name= "radiobutton " value= "女 ">
</label>
<label>
<input type= "submit " name= "Submit " value= "提交 ">
</label>
</form>
<label> </label>
</body>
</html>
如何在未提交的情况下获得单选按钮的值 即value值
------解决方案--------------------
男
<input type= "radio " name= "radiobutton " value= "男 " onclick= "alert(this.value) ">
女
<input type= "radio " name= "radiobutton " value= "女 " onclick= "alert(this.value) ">
------解决方案--------------------
form1.radiobutton[0].value
form1.radiobutton[1].value
分別為兩個單選按鈕的值
------解决方案--------------------
document.form1.getElementsByName( "radiobutton ")[0].value
document.form1.getElementsByName( "radiobutton ")[1].value
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