Ctrl+/
IE11
F11
ESC
PgUp
PgDn
<title>在规定时间内可用的按钮</title>
<form action="/" method="post" name="agree">
<input type="submit" value="请认真阅读服务条款和声明 (15)" name="agreeb">
</form>
<SCRIPT language=javascript>
<!--
var secs = 15;
document.agree.agreeb.disabled=true;
for(i=1;i<=secs;i++) {
window.setTimeout("update(" + i + ")", i * 1000);
}
function update(num) {
if(num == secs) {
document.agree.agreeb.value =" 我同意 ";
document.agree.agreeb.disabled=false;
else {
printnr = secs-num;
document.agree.agreeb.value = "请认真阅读服务条款和声明 (" + printnr +")";
//-->
</SCRIPT>
CSS代码...
JS代码...
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