复选框全选、全不选和反选的效果实现-JS特效-爱易网页

复选框全选、全不选和反选的效果实现

日期：2014-05-18　浏览次数：20296 次

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以下是程序代码

<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>网页特效代码|JsCode.CN|---复选框全选、全不选和反选的效果实现</title>
<SCRIPT LANGUAGE="JavaScript">

<!-- Begin
function checkAll() {
for (var j = 1; j <= 9; j++) {
box = eval("document.checkboxform.C" + j); 
if (box.checked == false) box.checked = true;
   }
}

function uncheckAll() {
for (var j = 1; j <= 9; j++) {
box = eval("document.checkboxform.C" + j); 
if (box.checked == true) box.checked = false;
   }
}

function switchAll() {
for (var j = 1; j <= 9; j++) {
box = eval("document.checkboxform.C" + j); 
box.checked = !box.checked;
   }
}
//  End -->
</script>
</head>

<body>

<form name=checkboxform>
<input type=checkbox name=C1 checked>C1

<input type=checkbox name=C2 checked>C2

<input type=checkbox name=C3 checked>C3

<input type=checkbox name=C4 checked>C4

<input type=checkbox name=C5 checked>C5

<input type=checkbox name=C6 checked>C6

<input type=checkbox name=C7 checked>C7

<input type=checkbox name=C8 checked>C8

<input type=checkbox name=C9 checked>C9

</form>

</body>