var IDLE_TIMEOUT = 2700; //seconds 45min
var _idleSecondsCounter = 0;
document.onclick = function() {
_idleSecondsCounter = 0;
};
document.onmousemove = function() {
_idleSecondsCounter = 0;
};
document.onkeypress = function() {
_idleSecondsCounter = 0;
};
window.setInterval(CheckIdleTime, 1000);
function CheckIdleTime() {
_idleSecondsCounter++;
var oPanel = document.getElementById("SecondsUntilExpire");
if (oPanel)
oPanel.innerHTML = (IDLE_TIMEOUT - _idleSecondsCounter) + "";
if (_idleSecondsCounter >= IDLE_TIMEOUT) {
//alert("Your Session Time expired. Please Login.");
document.location.href = "logoff.php";
}
}<div id='SecondsUntilExpire'></div>所以从上面我得到的输出是 2699（以秒为单位 = 45min），如果没有事件发生，它的递减（2698..2697..等），如果有任何事件（鼠标向上......等）发生它回到 2699
但我需要在几分钟内：44 : 59、44:58 ..等等
这是我将其编码为可读的方式
function CheckIdleTime() {
_idleSecondsCounter++;
var oPanel = document.getElementById("SecondsUntilExpire");
var remain = IDLE_TIMEOUT - _idleSecondsCounter;
var remainMinutes = Math.floor(remain / 60);
var remainSeconds = ('0' + (remain % 60)).substr(-2);
if (oPanel)
oPanel.innerHTML = remainMinutes + ':' + remainSeconds;
if (_idleSecondsCounter >= IDLE_TIMEOUT) {
//alert("Your Session Time expired. Please Login.");
document.location.href = "logoff.php";
}
}
用途
var remainSeconds = ('0' + (remain % 60)).substr(-2);
所以秒总是两位数
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我来说两句