jQuery 判断 checkbox 是否全部选中
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquer01_01</title>
<script src="../jquery-1.7.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
$(":checkbox").click(function(){
var $checkArray = $(":checkbox").toArray();
var $check=0;
$.each($checkArray,function(key,val){
if(val.checked){
$check++;
}
});
if($check==$checkArray.length){
$("#submitbtn").removeAttr("disabled");
}else{
$("#submitbtn").attr({"disabled":"disabled"});
}
});
});
</script>
</head>
<body>
<input type="checkbox" name="Term"/>
<input type="checkbox" name="Term"/>
<input type="checkbox" name="Term"/>
<input type="checkbox" name="Term"/>
<input id="submitbtn" type="button" value=" 同 意 " class="agrbtn"
disabled="disabled"/>
</body>
</html>
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