document.write('
解析:
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=gb2312" />
<title> </title>
<script type="text/JavaScript">
//<![CDATA[
/*
分析:
这道题首先考变量传值,其次考如何取元素的值。
代码如下:
*/
function submitbtn()
{
var tText1 = document.getElementById(\'txt1\');
var SubmitBtn1 = document.getElementById(\'submitBtn1\');
var tText2 = document.getElementById(\'txt2\');
var SubmitBtn2 = document.getElementById(\'submitBtn2\');
SubmitBtn1.onclick = function()
{
var temp = tText1.value;
tText1.value = tText2.value;
tText2.value = temp;
};
SubmitBtn2.onclick = function()
{
var temp = tText2.value;
tText2.value = tText1.value;
tText1.value = temp;
};
}
window.onload = function()// 窗口加载的时候
{
submitbtn();
}
</script>
</head>
<body>
<input type="text" value="12345666" id="txt1" />
<input type="button" id="submitBtn1" />
<input type="text" value="12345222" id="txt2" />
<input type="button" id="submitBtn2" />
</body>
</html>
');