转载 | jquery-select全选、反选、全不选

$("#selectAll").click(function () {//全选  
    $("#playList :checkbox").attr("checked", true);  
});  
 
$("#unSelect").click(function () {//全不选  
    $("#playList :checkbox").attr("checked", false);  
});  
 
$("#reverse").click(function () {//反选  
    $("#playList :checkbox").each(function () {  
        $(this).attr("checked", !$(this).attr("checked"));  
    });  
});