<ul id="list"> <li><label><input type="checkbox" value="1">1 </label></li>
<li><label><input type="checkbox" value="2"> 2</label></li>
<li><label><input type="checkbox" value="3"> 3</label></li>
</ul>
<input type="button" value="全选" class="btn" id="selectAll">
$("#selectAll").click(function(){
if(this.checked){
$("#list :checkbox").attr("checked", true);
}else{
$("#list :checkbox").attr("checked", false);
}
});
获取多个复选框的值
$(document).ready(function(){
var checked = [];
$("#submitButton").click(function(){
$('#list:checkbox:checked').each(function() {
checked.push($(this).val());
});
alert(checked);
});
});

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