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锁定老帖子 主题：禁用button N秒钟
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发表时间：2008-07-29
Method one:
<script type="text/javascript">
var n = 0;
var intervalID;
function setEnable(){
n++;
if(n==5){
btn.disabled = false;
// 有时稍后
clearInterval(intervalID);
}else{
btn.value = "我同意（"+(5-n)+ "）";
}
}
intervalID = window.setInterval("setEnable()",1000);
</script>
<input type="button" id="btn" name="btn" value="Button" disabled="disabled" />
Method two:
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<SCRIPT LANGUAGE="JavaScript">
<!--
function Show(){
var obj = document.getElementsByTagName('INPUT');
for(var i=0;i<obj.length;i++){
if(obj[i].type == "button"){
obj[i].disabled = false;
}
}
}
window.setTimeout("Show()",5000);
//-->
</SCRIPT>
</HEAD>
<BODY>
<INPUT TYPE="button" value="button1" disabled="true">
<INPUT TYPE="button" value="button2" disabled="true">
<INPUT TYPE="button" value="button3" disabled="true">
<INPUT TYPE="button" value="button4" disabled="true">
<INPUT TYPE="button" value="button5" disabled="true">
<INPUT TYPE="button" value="button6" disabled="true">
<INPUT TYPE="button" value="button7" disabled="true">
<INPUT TYPE="button" value="button8" disabled="true">
<INPUT TYPE="text" NAME="" value="文本框">
</BODY>
</HTML>
<input name="agree" disabled="disabled" type="submit" id="agree" value="我同意" class="sbutton" />
<input name="button" type="button" class="button" style="cursor:hand;" onclick="window.location.href='index.jsp'" value="不同意 " />
<input name="action" type="hidden" id="action" value="apply" />
<script type="text/javascript">
var secs = 6;
var wait = secs * 1000;
document.getElementById("agree").value = "同 意(" + secs + ")";
document.getElementById("agree").disabled = true;
for(i = 1; i <= secs; i++){
window.setTimeout("update(" + i + ")", i * 1000);
}
window.setTimeout("timer()", wait);
function update(num, value) {
if(num == (wait/1000)){
document.getElementById("agree").value = "同 意";
} else{
printnr = (wait / 1000) - num;
document.getElementById("agree").value = "同 意(" + printnr + ")";
}
}
function timer(){
document.getElementById("agree").disabled = false;
document.getElementById("agree").value = "同 意";
}
</script>
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