w3school包含HTML，javascript无效 [英] w3school include HTML, javascript not working

问题描述

所以，我最近使用w3school包含html，所以我不必将相同的div复制粘贴到我的所有页面。

So, I recently used w3school include html, so that i dont have to copy-paste same div to all my pages.

首先，我将它用于页眉和页脚，它使用了一些CSS样式，它没有问题，效果很好。

First, i used it for header and footer, which uses some CSS styling, and it has no problem, works perfectly.

但是，然后，我尝试再次使用它为我的下拉Navbar，其中包括一些javascript，HTML包括罚款，但我放的JavaScript不起作用！ javascript没有任何问题，当我不使用包含HTML时，它工作正常。这是代码

But then, i tried to use it again for my dropdown Navbar, which include some javascript, the HTML got included fine, but the javascript that i put doesnt work ! Nothing is wrong with the javascript, it works fine when I didn't use the include HTML. Here's the code

$('#leftDrop1').on('click', function() {
  if ($('#sub1').css('display') == 'block') {

    $('#sub1').hide()

  } else {
    $("#sub1").show()
  }
})

$('#leftDrop2').on('click', function() {
  if ($('#sub2').css('display') == 'block') {

    $('#sub2').hide()

  } else {
    $("#sub2").show()
  }
})

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>


<script src="http://www.w3schools.com/lib/w3data.js"></script> 

<div w3-include-html="dropdown.html"></div>

这里是dropdown.html里面的内容

and here's what inside the dropdown.html

<div class="col-lg-3">
            <ul id="dropKiri">
                <li id="leftDrop1"><a class="dropIcon"><i class="fa fa-caret-right" aria-hidden="true"></i></a>Category 1</li>
                    <div id="sub1"><ul>
                        <li>Sub 1</li>
                        <li>Sub 2</li>
                        <li>Sub 3</li>
                    </ul></div>

                <li id="leftDrop2"><a class="dropIcon"></a><i class="fa fa-caret-right" aria-hidden="true"></i></a>Category 2</li>
                    <div id="sub2"><ul>
                        <li>Sub 1</li>
                        <li>Sub 2</li>
                        <li>Sub 3</li>
                    </ul></div>

                <li style="list-style-type: none;">Category 3</li>
            </ul>
        </div>

我不知道如何将2个html页面放在片段上，对不起，如果这有点令人困惑

I dont know how to put 2 html pages on snippet, i'm sorry if this is a bit confusing

推荐答案

您需要委托您的事件beacouse w3school脚本使用ajax并将新项目添加到dom

You need to delegate your events beacouse w3school script uses ajax and adds new items to the dom

$('body').on('click','#leftDrop1',function() {
  if ($('#sub1').css('display') == 'block') {

    $('#sub1').hide()

  } else {
    $("#sub1").show()
  }
})

$('body').on('click','#leftDrop2',function() {
  if ($('#sub2').css('display') == 'block') {

    $('#sub2').hide()

  } else {
    $("#sub2").show()
  }
})

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