]<script>
window.onload = function(){
//returnColor("test");
setColor("test");
}
function setColor(id)
{
var trs=document.getElementById(id).getElementsByTagName("tr");
for(var i=0; i<trs.length; i++)
{
var tds = trs[i].getElementsByTagName("td");
for(var j=0; j<tds.length; j++)
{
if(j%2==1)
{
tds[j].className="over";
}
else
{
tds[j].className="out";
}
}
}
}
</script>
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
