-3
定义我有这样
<div class="activeQue" style="font-size:20px;position: absolute;top: 50%;left: 50%;transform: translate(-50%, -50%);">email[i].Question1</div>
<div class="hiddenQue" style="font-size:20px;" >email[i].Question2 </div>
<div class="hiddenQue" style="font-size:20px;" > email[i].Question3 </div>
<div class="hiddenQue" style="font-size:20px;" > email[i].Question4 </div>
<div class="hiddenQue" style="font-size:20px;" > email[i].Question5 </div>
<div class="hiddenQue" style="font-size:20px;" > email[i].Question6 </div>
<div class="hiddenQue" style="font-size:20px;" > email[i].Question7 </div>
<div class="hiddenQue" style="font-size:20px;" > email[i].Question8 </div>
<div class="hiddenQue" style="font-size:20px;" > email[i].Question9 </div>
<div class="hiddenQue" style="font-size:20px;" > email[i].Question10 </div>
<button id="mylink" >next</button>
和JS代码,这样
var myLink = document.getElementById('mylink');
myLink.onclick = function functionName(){
var element = $(".activeQue");
$(element).removeClass("activeQue").addClass("hiddenQue");
$(element).next().addClass("activeQue");
}
查看代码,但我有这样
$是错误未定义 at HTMLButtonElement.functionName
我该如何解决它?
你有jQuery的包括在内? –
是的,忘记jquery,谢谢@RenePot – Eugene