jquery控制a标签点击后禁止再次点击

function test(){
    //防止多次点击提交...
	if($("div a").hasClass('disabled')) return;
	$("div a").addClass('disabled');
	$("div a.layui-layer-btn0").text("提交中...");
	$("div a.layui-layer-btn0").css("color","#333");
	$("div a.layui-layer-btn0").css("background-color","#f1f1f1");
    $("div a.layui-layer-btn0").css("border","1px solid #dedede");
}