首页 / 脚本样式 / JavaScript / getElementByIdx_x js自定义getElementById函数
函数代码:
复制代码 代码如下:
document.getElementByIdx_x=function(id){
if(typeof id =="string")
return document.getElementById(id);
else
throw new error("please pass a string as a id!")
}
实例代码:
复制代码 代码如下:
<div id="box">9</div>
<script>
document.getElementByIdx_x=function(id){
if(typeof id =="string")
return document.getElementById(id);
else
throw new error("please pass a string as a id!")
}
var timer = window.setInterval(function(){
document.getElementByIdx_x("box").innerHTML = parseInt(document.getElementByIdx_x("box").innerHTML) - 1;
if(parseInt(document.getElementByIdx_x("box").innerHTML) < 0)
{
window.clearInterval(timer);
window.location = "http://www.jb51.net";
}
}, 1000);
</script>