The article provides a JS check box select the optional code oh, it can not only select the checkbox and also can be selected checkbox set to red background oh.
<!doctype HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd" >
<html xmlns= "http://www.jzread.com/1999/xhtml" >
<head>
<meta http-equiv= "Content-type" content= "HTML; charset=gb2312 "/>
<TITLE>JS check box All select the reverse code </title>
<script>
Web Effects Document
Check
function SelectAll (CHK)
{
var chk = document.form1.chkall.checked;
for (i=0;i<document.all.length;i++) {
if (document.all[i].name== "y_id[]") {
Document.all[i].checked=chk;
Chkrow (Document.all[i]);
}}}
Cell discoloration after check
function Chkrow (obj) {
var r = obj.parentelement.parentelement;
if (obj.checked) {r.style.backgroundcolor= "#e6e9f2";}
else {if (r.rowindex%2==1) r.style.backgroundcolor= "#f8fafc"; else r.style.backgroundcolor= "";}
}
</script>
</head>
<body>
</body>
</html>
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