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                <a class="post-title-link" href="/2017/08/12/javascript/" itemprop="url">javascriptt</a></h1>


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                <span class="post-meta-item-text">发表于</span>

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                <span class="post-meta-item-icon">
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                  <span class="post-meta-item-text">字数统计</span>

                <span title="字数统计">
                  811
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                  <span class="post-meta-item-text">阅读时长</span>

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          <blockquote>
<p>1.面向对象和面向过程？<br>  2.弱类型与强类型语言？<br>  3.松散型？<br>  4.如果变量被重新声明，但是没被赋值，这是值仍旧是最先的值</p>
</blockquote>
<hr>
<h2 id="JS-介绍"><a href="#JS-介绍" class="headerlink" title="JS 介绍"></a>JS 介绍</h2><hr>
<h3 id="1-JS是什么–"><a href="#1-JS是什么–" class="headerlink" title="1.JS是什么–"></a>1.JS是什么–</h3><p>Javascript是一种直译式脚本语言，是一种动态类型、弱类型、基于原型的解释语言，内置支持类型。也是一种面向对象语言。事件驱动。<br>JS难点主要在：语法的松散、浏览器兼容<br>
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                <a class="post-title-link" href="/2016/05/06/URLs/" itemprop="url">URLs</a></h1>


        <div class="post-meta">
          <span class="post-time">

              <span class="post-meta-item-icon">
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                <span class="post-meta-item-text">发表于</span>

              <time title="创建于" itemprop="dateCreated datePublished" datetime="2016-05-06T08:29:13+08:00">
                2016-05-06
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                <span class="post-meta-item-icon">
                  <i class="fa fa-file-word-o"></i>
                </span>

                  <span class="post-meta-item-text">字数统计</span>

                <span title="字数统计">
                  409
                </span>


                <span class="post-meta-divider">|</span>


                <span class="post-meta-item-icon">
                  <i class="fa fa-clock-o"></i>
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                  <span class="post-meta-item-text">阅读时长</span>

                <span title="阅读时长">
                  1
                </span>

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          <p>##初识-统一资源定位符（URLs）</p>
<p>###统一资源定位符是什么</p>
<p><strong>URL(Uniform Resource Location)</strong>汉译为：统一资源定位符。就是我们通俗讲的网址，URL可以由单词组成，例如：www.google.com,或者是因特网协议（IP）地址：xxx.xxx.xxx.xx等一串数字组成,名称比数字好记，所以我们在网上冲浪的时候大都键入域名。<br>
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      <header class="post-header">


          <h1 class="post-title" itemprop="name headline">

                <a class="post-title-link" href="/2016/05/03/RegExp-blog/" itemprop="url">JS中的正则表达式</a></h1>


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                <span class="post-meta-item-text">发表于</span>

              <time title="创建于" itemprop="dateCreated datePublished" datetime="2016-05-03T19:00:48+08:00">
                2016-05-03
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                <span class="post-meta-item-icon">
                  <i class="fa fa-file-word-o"></i>
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                  <span class="post-meta-item-text">字数统计</span>

                <span title="字数统计">
                  257
                </span>


                <span class="post-meta-divider">|</span>


                <span class="post-meta-item-icon">
                  <i class="fa fa-clock-o"></i>
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                  <span class="post-meta-item-text">阅读时长</span>

                <span title="阅读时长">
                  1
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          <p>#通过本篇文章，你能学到什么？<br>1、RegExp语法  2、在一些集成开发工具中用RegExp进行复杂的字符串查找、替换  3、在javascript中用RegExp处理字符串</p>
<p>##正则表达式？</p>
<p>正则表达式（Regular-Expression）是使用单个字符串来描述、匹配一系列符合某个句法规则的字符串。简言之，就是按照某种规则匹配符合条件的字符串。<br>
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          <h1 class="post-title" itemprop="name headline">

                <a class="post-title-link" href="/2016/05/01/hello-world/" itemprop="url">hello hexo+gitub !</a></h1>


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                <span class="post-meta-item-text">发表于</span>

              <time title="创建于" itemprop="dateCreated datePublished" datetime="2016-05-01T14:11:13+08:00">
                2016-05-01
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                <span class="post-meta-item-icon">
                  <i class="fa fa-file-word-o"></i>
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                  <span class="post-meta-item-text">字数统计</span>

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                  4
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                <span class="post-meta-item-icon">
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                  <span class="post-meta-item-text">阅读时长</span>

                <span title="阅读时长">
                  1
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            <p>###日常Hello Word</p>


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