![](https://img.haomeiwen.com/i13322210/d07256e22912c4f4.png)
![](https://img.haomeiwen.com/i13322210/2198b89ecd857d15.png)
![](https://img.haomeiwen.com/i13322210/77a171e30eda6b69.png)
①如果我们要让表格隔行换色
<script>
var otab=document.getElementById('tab1');
for(var i=0;i<otab.tBodies[0].rows.length;i++){
if(i%2){
otab.tBodies[0].rows[i].style.background="skyblue"; }
else {
otab.tBodies[0].rows[i].style.background="";
}
}
</script>