JS全选反选

    //全选 、反选

  <input id="Checkbox1" name='qx' type="checkbox" onclick='CheckParend(this,"qx")' value="" />全部

    function CheckParend(ch, ckname) {
        if (ch.checked == true) {
            $("input[name='" + ckname + "']").each(function () {
                $("input[name='" + ckname + "']").prop("checked", true);  //全部选中
            });
        }
        else {
            $("input[name='" + ckname + "']").each(function () {
                $("input[name='" + ckname + "']").prop("checked", false);  //全部不选中
            });
        }
    }

//<input type='checkbox' name='id' value='11'/>

 

//全选

function select_all(){

    $("input[name='id']").attr("checked", true);

}

 

//全不选

function unselect_all(){

    $("input[name='id']").attr("checked", false);

}

 

//反向选择

function select_other(){

    jQuery.each($("input[name='id']"), function(i, n){

    n.checked = !n.checked;

    });

}