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bekindtoyourself / python_tutorials.rst
Created June 5, 2018 08:40 — forked from reorx/python_tutorials.rst
Python 中英文教程及其他进阶资源
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bekindtoyourself / visible_area.js
Created August 5, 2017 08:53 — forked from simplelife7/visible_area.js
【JS】判断元素是否在可视区域内
var a = document.getElementById("eq").offsetTop;
if (a >= $(window).scrollTop() && a < ($(window).scrollTop()+$(window).height())) {
alert("div在可视范围");
}
冒泡事件就是点击子节点,会向上触发父节点,祖先节点的点击事件。
下面是html代码部分:
<body>
<div id="content">
外层div元素
<span>内层span元素</span>
外层div元素
</div>