

click例子
$('父元素').on('click', '子元素', function(){})此时动态加载出来的元素一定要在$(‘父元素’)里面,否则绑定事件失效。换句话说,本应该绑定A元素,但是A元素是动态生成的,所以jq应该获取A元素的父元素来监听A元素是否发生click事件。
举个例子
<!DOCTYPE html>
<html>
<head>
<title>js/jq 动态添加的元素不能触发绑定事件解决方案</title>
</head>
<script src="https://cdn.bootcss.com/jquery/1.9.0/jquery.js"></script><body>
<button>添加a标签</button>
<p class="a-Box">
<a href="javascript:;" class="alt">My name is</a><br>
</p>
</body>
</html>
<script type="text/javascript">
$('.a-Box').on('click', 'a', function(){
alert('Jachin');
})
$('button').click(function(){
$('p').append('<a href="javascript:;" class="alt">My name is</a><br>');
})
</script>这样就可以完美解决动态加载出来的元素无法被监听。
最后附上个版本的jquery
<script src="https://cdn.bootcss.com/jquery/1.2.3/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/1.2.6/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/1.3.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/1.4.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/1.5.1/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/1.6.1/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/1.7/jquery.min.js"></script> <script src="https://cdn.bootcss.com/jquery/1.8.0/jquery-1.8.0.js"></script> <script src="https://cdn.bootcss.com/jquery/1.9.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/1.10.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/1.11.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/1.12.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/2.0.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/2.1.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/2.2.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/3.0.0/jquery.js"></script> <script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.js"></script>
