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Çó JavaScriptµÄ return false ÎÊÌâ

var times=11;
function showBtn()
{
   
var btnObj=document.getElementById('btnReg1');
while(times>0)
{
times--;
btnObj.value="¿ªÊ¼("+times+")";
window.setTimeout("showBtn()", 1000);
return false;
}
}

ÎÒÓð´Å¥µ÷ÓÃÕâ¸ö ·½·¨ Ö´ÐÐÕý³£  ¿ÉÒÔµ¹Êý

Èç¹ûÒÔÉÏ·½·¨ÖÐ ²»¼Óreturn false ÔòÖ±½ÓÏÔʾ¿ªÊ¼(0);
ÇëÎÊÕâÊÇΪʲô £¿ return false ÔÚÕâÀïÆðʲô×÷ÓÃÄØ?
ÄãÔÚµ÷Óø÷½·¨µÄʱºòÊDz»ÊÇдµÄreturn showBtn() £¿

JScript code:

var times = 11;
function showBtn() {
var btnObj = document.getElementById('btnReg1');
if (times > 0) {
times--;
btnObj.value= "¿ªÊ¼(" + times + ")";
window.setTimeout("showBtn()", 1000);
}
}
showBtn();
function test() {
for (var i = 0; i < 5; i++) {
alert(i);
return false;
}
}
test();




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while(times>0)
{
ti


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<bean:write name="Form" property="years" scope="request"/>
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