【www.gdgbn.com--js教程】
<script>
//斑马线
var tables=document.getElementsByTagName("table");
var b=false;
for (var j = 0; j < tables.length; j++){
var cells = tables[j].getElementsByTagName("tr");
cells[0].className="color1";
for (var i = 1; i < cells.length; i++){
if(b){
cells[i].className="color2";
b=false;
}
else{
cells[i].className="color3";
b=true;
};
};
}
//document.close();
</script>