<!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>无标题文档
</title>
</head>
<body>
<form>
<input type="submit" id="t" value="同意（9）" disabled="disabled" />
</form>
</body>
</html>
<script>
var n=10;
var a=document.getElementById("t");
function bian()
{
n--;
if(n==0)
{
a.removeAttribute("disabled");
a.value="同意";
return;
}
else
{
a.value="同意（"+n+"）";
window.setTimeout("bian()",1000);
}
}
window.setTimeout("bian()",1000);
</script>
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转载于:https://www.cnblogs.com/wangchuanqi/p/5323235.html
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