5秒后跳转效果(setInterval/SetTimeOut)_javascript技巧



setInterval版
代码如下:
$(function () {
setInterval(function () {
var time = $("#time").text();
time = parseInt(time);
time--;
if (time >0) {
$("#time").text(time);
} else {
window.location = $("#url").attr("href");
}
}, 1000);
});

SetTimeOut版
代码如下:

window.onload = function () {
setTimeout(changeTime, 1000);
}
function changeTime() {
var time = document.getElementById("time").innerHTML;
time = parseInt(time);
time--;
if (time <= 0) {
var url = document.getElementById("url").href;
window.location = url;
} else {
document.getElementById("time").innerHTML= time;
setTimeout(changeTime, 1000);
}
}


html
代码如下:
5秒钟以后跳转到 "