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<!DOCTYPE html>
<html lang="zh-CN" data-default-color-scheme=auto>
<head>
<meta charset="UTF-8">
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data-target="#navbarSupportedContent"
aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
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<span id="subtitle" data-typed-text="祝你天天开心!"></span>
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style="margin-top: 0">
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<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2024/04/19/JavaScript%E4%B8%AD%E7%9A%84%E4%BA%8B%E4%BB%B6%E5%BE%AA%E7%8E%AF/" target="_self">
<img src="/./image/eventloop.jpg" srcset="/img/loading.gif" lazyload alt="JavaScript中的事件循环">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h2 class="index-header">
<a href="/2024/04/19/JavaScript%E4%B8%AD%E7%9A%84%E4%BA%8B%E4%BB%B6%E5%BE%AA%E7%8E%AF/" target="_self">
JavaScript中的事件循环
</a>
</h2>
<a class="index-excerpt " href="/2024/04/19/JavaScript%E4%B8%AD%E7%9A%84%E4%BA%8B%E4%BB%B6%E5%BE%AA%E7%8E%AF/" target="_self">
<div>
JavaScript 是一门单线程的语言,意味着同一时间内只能做一件事,但是这并不意味着单线程就是阻塞,而实现单线程非阻塞的方法就是事件循环
</div>
</a>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2024-04-19 16:36" pubdate>
2024-04-19
</time>
</div>
<div class="post-meta mr-3 d-flex align-items-center">
<i class="iconfont icon-category"></i>
<span class="category-chains">
<span class="category-chain">
<a href="/categories/%E5%89%8D%E7%AB%AF%E5%AD%A6%E4%B9%A0/" class="category-chain-item">前端学习</a>
</span>
</span>
</div>
<div class="post-meta">
<i class="iconfont icon-tags"></i>
<a href="/tags/JavaScript/">#JavaScript</a>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2024/04/18/JS%E4%B8%AD%E7%9A%84%E9%97%AD%E5%8C%85/" target="_self">
<img src="/./image/closure.png" srcset="/img/loading.gif" lazyload alt="JS中的闭包">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h2 class="index-header">
<a href="/2024/04/18/JS%E4%B8%AD%E7%9A%84%E9%97%AD%E5%8C%85/" target="_self">
JS中的闭包
</a>
</h2>
<a class="index-excerpt " href="/2024/04/18/JS%E4%B8%AD%E7%9A%84%E9%97%AD%E5%8C%85/" target="_self">
<div>
闭包(closure)是一个函数以及其捆绑的周边环境状态(lexical environment,词法环境)的引用的组合。换而言之,闭包让开发者可以从内部函数访问外部函数的作用域。在 JavaScript 中,闭包会随着函数的创建而被同时创建。
</div>
</a>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2024-04-18 21:30" pubdate>
2024-04-18
</time>
</div>
<div class="post-meta mr-3 d-flex align-items-center">
<i class="iconfont icon-category"></i>
<span class="category-chains">
<span class="category-chain">
<a href="/categories/%E5%89%8D%E7%AB%AF%E5%AD%A6%E4%B9%A0/" class="category-chain-item">前端学习</a>
</span>
</span>
</div>
<div class="post-meta">
<i class="iconfont icon-tags"></i>
<a href="/tags/JavaScript/">#JavaScript</a>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2024/04/18/JS%E5%87%BD%E6%95%B0%E4%B8%AD%E7%9A%84this/" target="_self">
<img src="/./image/this.jpg" srcset="/img/loading.gif" lazyload alt="JS函数中的this">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h2 class="index-header">
<a href="/2024/04/18/JS%E5%87%BD%E6%95%B0%E4%B8%AD%E7%9A%84this/" target="_self">
JS函数中的this
</a>
</h2>
<a class="index-excerpt " href="/2024/04/18/JS%E5%87%BD%E6%95%B0%E4%B8%AD%E7%9A%84this/" target="_self">
<div>
this 关键字是函数运行时自动生成的一个内部对象,只能在函数内部使用,总指向调用它的对象
</div>
</a>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2024-04-18 15:57" pubdate>
2024-04-18
</time>
</div>
<div class="post-meta mr-3 d-flex align-items-center">
<i class="iconfont icon-category"></i>
<span class="category-chains">
<span class="category-chain">
<a href="/categories/%E5%89%8D%E7%AB%AF%E5%AD%A6%E4%B9%A0/" class="category-chain-item">前端学习</a>
</span>
</span>
</div>
<div class="post-meta">
<i class="iconfont icon-tags"></i>
<a href="/tags/JavaScript/">#JavaScript</a>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2024/03/05/CSS-%E7%9B%92%E5%AD%90%E6%A8%A1%E5%9E%8B/" target="_self">
<img src="/./image/box.png" srcset="/img/loading.gif" lazyload alt="CSS 盒子模型">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h2 class="index-header">
<a href="/2024/03/05/CSS-%E7%9B%92%E5%AD%90%E6%A8%A1%E5%9E%8B/" target="_self">
CSS 盒子模型
</a>
</h2>
<a class="index-excerpt " href="/2024/03/05/CSS-%E7%9B%92%E5%AD%90%E6%A8%A1%E5%9E%8B/" target="_self">
<div>
在 CSS 中,所有的元素都被一个个的“盒子”包围着,理解这些“盒子”的基本原理,是我们使用 CSS 实现准确布局、处理元素排列的关键。
</div>
</a>
<div class="index-btm post-metas">
<div class="post-meta mr-3">
<i class="iconfont icon-date"></i>
<time datetime="2024-03-05 20:58" pubdate>
2024-03-05
</time>
</div>
<div class="post-meta mr-3 d-flex align-items-center">
<i class="iconfont icon-category"></i>
<span class="category-chains">
<span class="category-chain">
<a href="/categories/%E5%89%8D%E7%AB%AF%E5%AD%A6%E4%B9%A0/" class="category-chain-item">前端学习</a>
</span>
</span>
</div>
<div class="post-meta">
<i class="iconfont icon-tags"></i>
<a href="/tags/CSS/">#CSS</a>
</div>
</div>
</article>
</div>
<div class="row mx-auto index-card">
<div class="col-12 col-md-4 m-auto index-img">
<a href="/2024/03/05/JavaScript%E4%B8%AD%E7%9A%84%E6%95%B0%E7%BB%84%E4%B8%8E%E5%AD%97%E7%AC%A6%E4%B8%B2/" target="_self">
<img src="/./image/javascript.png" srcset="/img/loading.gif" lazyload alt="JavaScript中的数组与字符串">
</a>
</div>
<article class="col-12 col-md-8 mx-auto index-info">
<h2 class="index-header">
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JavaScript中的数组与字符串
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数组——一种将一组数据存储在单个变量名下的优雅方式。字符串赋予我们多样的文本。
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2024-03-05
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<a href="/tags/JavaScript/">#JavaScript</a>
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<img src="/./image/javascript.png" srcset="/img/loading.gif" lazyload alt="JavaScript中的面向对象编程">
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<a href="/2024/03/05/JavaScript%E4%B8%AD%E7%9A%84%E9%9D%A2%E5%90%91%E5%AF%B9%E8%B1%A1%E7%BC%96%E7%A8%8B/" target="_self">
JavaScript中的面向对象编程
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<a class="index-excerpt " href="/2024/03/05/JavaScript%E4%B8%AD%E7%9A%84%E9%9D%A2%E5%90%91%E5%AF%B9%E8%B1%A1%E7%BC%96%E7%A8%8B/" target="_self">
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面向对象编程(OOP)是如今多种编程语言所实现的一种编程范式,包括 Java、C++。在本文中,我们会简要介绍面向对象编程(OOP)的基本概念,其中包括三个主要概念:类与实例、继承、封装。
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<time datetime="2024-03-05 16:43" pubdate>
2024-03-05
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<img src="/./image/javascript.png" srcset="/img/loading.gif" lazyload alt="JavaScript中的对象">
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<a href="/2024/03/04/JavaScript%E4%B8%AD%E7%9A%84%E5%AF%B9%E8%B1%A1/" target="_self">
JavaScript中的对象
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在 JavaScript 中,大多数事物都是对象,从作为核心功能的字符串和数组,到建立在 JavaScript 之上的浏览器 API 。你甚至可以自己创建对象,将相关的函数和变量高效地封装打包成便捷的数据容器。
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2024-03-04
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<img src="/./image/javascript.png" srcset="/img/loading.gif" lazyload alt="JavaScript函数基础">
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JavaScript函数基础
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函数是 JavaScript 中的基本组件之一。JavaScript 中的函数类似于过程——一组执行任务或计算值的语句。但要成为函数,这个过程应该接受输入并返回与输入存在某些明显关系的输出。要使用一个函数,你必须将其定义在你希望调用它的作用域内。
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<img src="/./image/javascript.png" srcset="/img/loading.gif" lazyload alt="JavaScript基础">
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JavaScript基础
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JavaScript(JS)是一种具有函数优先特性的轻量级、解释型或者说即时编译型的编程语言。具体地说,JavaScript 是一种基于原型、多范式、单线程的动态语言,并且支持面向对象、命令式和声明式(如函数式编程)风格。
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CSS基础知识
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层叠样式表(Cascading Style Sheets)是一种样式表语言,用来描述HTML或XML文档的呈现方式。CSS 描述了在屏幕、纸质、音频等其他媒体上的元素应该如何被渲染的问题。
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