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<!DOCTYPE html>
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var CONFIG = {
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version: '5.1.4',
sidebar: {"position":"left","display":"post","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},
fancybox: true,
tabs: true,
motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
duoshuo: {
userId: '0',
author: '博主'
},
algolia: {
applicationID: '',
apiKey: '',
indexName: '',
hits: {"per_page":10},
labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
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问题链接：JavaScript 基础问题
js 中什么类型是引用传递, 什么类型是值传递? 如何将值类型的变量以引用的方式传递?
js 中， 0.1 + 0.2 === 0.3 是否为 true ? 在不知道浮点数位数时应该怎样判断两个浮点数之和与第三数是否相等？
const 定义的 Array
...
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行内元素和块级元素有什么异同？
可能你觉得这是一个老掉牙的问题，但其实并没有那么简单。
对于初学者来说，当遇到面试官问到这个问题的时候，脑海里的第一印象是css的display属性，值为inline时为行内元素，值为block时为块级元素，那值为inline-block时呢，元素是块级行内元素吗
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经历过几次面试后，才深知精通css对于前端开发的重要性，这个issue将集中针对css展开进攻，提升自己的薄弱的css基础。参考资料：《CSS世界》MDN CSS规范验证工具：Chrome 本地HTML
1.ex是什么？这是一个相对长度单位，相对谁呢？相对的是”x”，x指的是英文小写字母的”爱克斯”
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之前就对XSS有所耳闻，不过昨天在学习《深入浅出nodejs》过程中，才深入了解到XSS攻击的原理，于是找到那本很早就想看的《web前端黑客技术解密》，找到 跨站攻击脚本XSS 章节，于是有了下面这个简单的XSS攻击实验。
####index.html12345678910111213<!DO
...
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###一、基础知识1.window.self①self 和window.self都可以②window Context下解析成window.self;worker Context下解析成WorkerGlobalScope.self③访问window的四种方式12345var w1 = window;v
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用一句话概括就是：EcmaScrpt规范定义Number的类型遵循了IEEE754-2008中的64位浮点数规则定义的小数后的有效位数至多为52位导致计算出现精度丢失问题！
如果你看不懂这句话，仔细阅读本篇博客就对了！
首先看下10进制转换为2进制的方法。
数字逻辑电路上的算法是 (0.1)1
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