Question

js的隔行变色不起作用

<script>
window.onload=function ()
{
var otab=document.getElementById('tab1');

for (var i=0;i<otab.tBodies[0].rows.length;i++)

{

otab.tBodies[0].rows.[i].onmouseover=function ()

{
this.style.background='green';
}

otab.tBodies[0].rows.[i].onmouseout=function ()

{
this.style.background='';
}

if (i%2)
{
otab.tBodies[0].rows[i].style.background='';
}
else
{
otab.tBodies[0].rows[i].style.background='red';
}

}
};
</script>

Answer 1