javascript五图轮播切换实用版_javascript技巧
来源：微智科技网
代码如下:
测试
window.onload=function (){
var num = document.getElementById("num");
var num_li = document.getElementById("num").getElementsByTagName("li");
var img_box = document.getElementById("img_box");
var img_box_li = document.getElementById("img_box").getElementsByTagName("li");
var bliw = img_box_li[0].offsetWidth;
var n = 0;
img_box.style.left = 0
var autoscroll = setInterval(auto,3000);
for (var i = 0;i < num_li.length;i++){
num_li[i].onmouseover = function(){
clearInterval(autoscroll);
for (var i = 0;i < num_li.length;i++){
num_li[i].style.background = "";
if(num_li[i]==this){
this.style.background = "#f00";
slide(i);
}
}
}
num_li[i].onmouseout = function(){
for (var i = 0;i < num_li.length;i++){
if(num_li[i]==this){
n = i;
autoscroll = setInterval(auto,3000)
}
}
}
}
function slide(i){
img_box.style.left = -bliw*i + "px";
}
function auto(){
n++;
if(n == img_box_li.length){
n =0;
}
for (var i =0;i < num_li.length;i++){
num_li[i].style.background = "";
}
num_li[n].style.background = "#f00";
slide(n);
}
}
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