https://blog.youkuaiyun.com/ForForever9zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/ForForever9/article/details/137881537https://blog.youkuaiyun.com/ForForever9/article/details/137881537ForForever9Wed, 17 Apr 2024 17:29:11 +0800 栈：程序为了管理执行上下文（确保程序的执行顺序）所创建的一个栈数据结构，被称作执行上下文栈；预解析（变量提升）：先解析函数：函数重名覆盖再解析变量：变量重名忽略作用域：(抽象的概念，代码定义的时候作用域就确定死了)变量起作用的范围；作用域;]]>https://blog.youkuaiyun.com/ForForever9/article/details/137881450https://blog.youkuaiyun.com/ForForever9/article/details/137881450ForForever9Wed, 17 Apr 2024 17:27:54 +0800https://blog.youkuaiyun.com/ForForever9/article/details/137712938https://blog.youkuaiyun.com/ForForever9/article/details/137712938ForForever9Sat, 13 Apr 2024 13:01:40 +0800https://blog.youkuaiyun.com/ForForever9/article/details/137712916https://blog.youkuaiyun.com/ForForever9/article/details/137712916ForForever9Sat, 13 Apr 2024 12:59:19 +0800https://blog.youkuaiyun.com/ForForever9/article/details/137559691https://blog.youkuaiyun.com/ForForever9/article/details/137559691ForForever9Tue, 09 Apr 2024 17:08:34 +0800元素(DOM中的叫法)---->标签节点 文本节点:文字内容,空行,回车,空白文本节点 属性节点:标签中的属性和值 文档:整个当前的页面,页面中的标签都有嵌套的关系,一层一层的, 形成了一个树形的的效果,称为:树形结构图,DOM树 获取了一些节点,通过判断该节点的类型,就可以知道获取的节点到底是什么节点! nodeType属性可以获取当前这个节点的类型 该属性值: 1---标签节点, 2----属性节点, ]]>https://blog.youkuaiyun.com/ForForever9/article/details/137559611https://blog.youkuaiyun.com/ForForever9/article/details/137559611ForForever9Tue, 09 Apr 2024 17:06:47 +0800https://blog.youkuaiyun.com/ForForever9/article/details/136785631https://blog.youkuaiyun.com/ForForever9/article/details/136785631ForForever9Sun, 17 Mar 2024 17:18:42 +0800 打开即可玩。]]>https://blog.youkuaiyun.com/ForForever9/article/details/136785575https://blog.youkuaiyun.com/ForForever9/article/details/136785575ForForever9Sun, 17 Mar 2024 17:15:54 +0800https://blog.youkuaiyun.com/ForForever9/article/details/136739031https://blog.youkuaiyun.com/ForForever9/article/details/136739031ForForever9Fri, 15 Mar 2024 14:30:52 +0800https://blog.youkuaiyun.com/ForForever9/article/details/136738845https://blog.youkuaiyun.com/ForForever9/article/details/136738845ForForever9Fri, 15 Mar 2024 14:28:26 +0800https://blog.youkuaiyun.com/ForForever9/article/details/136700965https://blog.youkuaiyun.com/ForForever9/article/details/136700965ForForever9Thu, 14 Mar 2024 10:35:24 +0800https://blog.youkuaiyun.com/ForForever9/article/details/136700823https://blog.youkuaiyun.com/ForForever9/article/details/136700823ForForever9Thu, 14 Mar 2024 10:30:42 +0800https://blog.youkuaiyun.com/ForForever9/article/details/136156052https://blog.youkuaiyun.com/ForForever9/article/details/136156052ForForever9Sun, 18 Feb 2024 17:28:02 +0800https://blog.youkuaiyun.com/ForForever9/article/details/135488161https://blog.youkuaiyun.com/ForForever9/article/details/135488161ForForever9Tue, 09 Jan 2024 19:30:35 +0800https://blog.youkuaiyun.com/ForForever9/article/details/135464503https://blog.youkuaiyun.com/ForForever9/article/details/135464503ForForever9Mon, 08 Jan 2024 19:24:33 +0800https://blog.youkuaiyun.com/ForForever9/article/details/135435850https://blog.youkuaiyun.com/ForForever9/article/details/135435850ForForever9Sun, 07 Jan 2024 08:59:03 +0800和其他的类的不同，Math并不是一个构造函数，也就是无法通过new来创建Math的实例 =>Math表示的数学，在Math对象中存储了一组数学运算相关的常量的和方法]]>https://blog.youkuaiyun.com/ForForever9/article/details/135435787https://blog.youkuaiyun.com/ForForever9/article/details/135435787ForForever9Sun, 07 Jan 2024 08:53:04 +0800https://blog.youkuaiyun.com/ForForever9/article/details/135431429https://blog.youkuaiyun.com/ForForever9/article/details/135431429ForForever9Sat, 06 Jan 2024 20:16:21 +0800https://blog.youkuaiyun.com/ForForever9/article/details/135236874https://blog.youkuaiyun.com/ForForever9/article/details/135236874ForForever9Wed, 27 Dec 2023 09:20:40 +0800https://blog.youkuaiyun.com/ForForever9/article/details/135214961https://blog.youkuaiyun.com/ForForever9/article/details/135214961ForForever9Tue, 26 Dec 2023 10:06:40 +0800