if(document.all['mq_wb'].value=0)
document.all['mb1'].disabled=true;
elseif(document.all['mq_wb'].value>0)
document.all['mb1'].disabled=false;设置一个响应事件响应它就行了,很简单的
document.all['mb1'].disabled=true;
elseif(document.all['mq_wb'].value>0)
document.all['mb1'].disabled=false;设置一个响应事件响应它就行了,很简单的
刚转入web编程,请多多指教!谢谢
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> new document </title>
<meta name="generator" content="editplus" />
<meta name="author" content="Gao YiXiang" />
<meta name="email" content="[email protected]" />
<meta name="keywords" content="javascript dhtml dom" />
<meta name="description" content="I love web development." />
</head>
<body>
<script for=window event=onload language="javascript">
function $(sId)
{
return document.getElementById(sId);
}
if($('mq_wb').value == 0)
$('mb1').disabled = true;
else if($('mq_wb').value > 0)
$('mb1').disabled = false;
</script> <input name="mq_wb" type="text" id="mq_wb" size="12" value="10" disabled /> <input name="mb1" type="button" id="mb1" value="下载模板" onclick="window.open('file/TC-木制品外包商.xls');document.getElementById('upload1').disabled=true;" disabled /> </body>
</html>
var mq_wb = document.getElementById("mq_wb");
var ipt = document.getElementsByTagName("input");
if (mq_wb.value == 0)
{
for(var i = 0; i < ipt.length; i++)
{
if (ipt[i].type.toUpperCase() == "BUTTON")
{
ipt[i].disabled = true;
}
}
}
else if (mq_wb.value > 0)
{
for(var i = 0; i < ipt.length; i++)
{
if (ipt[i].type.toUpperCase() == "BUTTON")
{
ipt[i].disabled = false;
}
}
}