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content="jealyn.wang"><meta itemprop="description" content="前端小白一枚"><meta itemprop="image" content="/images/avatar.png"></span><span hidden itemprop="publisher" itemscope itemtype="http://schema.org/Organization"><meta itemprop="name" content="Jealyn的个人网站"></span><header class="post-header"><h2 class="post-title" itemprop="name headline">前端基础练习题 第30天</h2><div class="post-meta"><span class="post-time"><span class="post-meta-item-icon"><i class="fa fa-calendar-o"></i> </span><span class="post-meta-item-text"></span> <time title="创建于" itemprop="dateCreated datePublished" datetime="2019-06-14T21:32:57+08:00">2019-06-14 </time></span><span class="post-category"><span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-folder-o"></i> </span><span class="post-meta-item-text"></span> <span itemprop="about" itemscope itemtype="http://schema.org/Thing"><a href="/categories/JS基础练习题/" itemprop="url" rel="index"><span itemprop="name">JS基础练习题</span> </a></span>， <span itemprop="about" itemscope itemtype="http://schema.org/Thing"><a href="/categories/JS基础练习题/习题/" itemprop="url" rel="index"><span itemprop="name">习题</span> </a></span></span><span class="post-meta-divider">|</span> <span class="page-pv"><i class="fa fa-eye"></i> 阅读数 <span class="busuanzi-value" id="busuanzi_value_page_pv"></span>次</span><div class="post-wordcount"><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">278 字 </span><span class="post-meta-divider">|</span> <span class="post-meta-item-icon"><i class="fa fa-clock-o"></i> </span><span class="post-meta-item-text">阅读时长 ≈</span> <span title="阅读时长">1 分钟</span></div></div></header><div class="post-body" itemprop="articleBody"><blockquote><p>该篇文章是<a href="/categories/JS基础练习题/">该系列</a>的第三十天。本次习题将会针对jQuery进行展开，都是一些jQuery的基础概念和必备知识，没有了解过jQuery的朋友可以暂且跳过本部分内容哈。</p></blockquote><a id="more"></a><h2 id="正文"><a href="#正文" class="headerlink" title="正文"></a>正文</h2><p>1.JS中常见的内存泄漏原因有哪些？<br><br><br></p><p>2.相比于原生js，使用<code>jQuery</code>有哪些好处？<br><br><br></p><p>3.<code>jQuery</code>中的<code>$</code>符号是什么？<br><br></p><p>4.<code>jQuery</code>对象和<code>DOM</code>对象如何转化？<br><br></p><p>5.<code>jQuery</code>中有几类选择器？<br><br><br></p><p>6.<code>jQuery</code>如何去操作样式？<br><br><br></p><p>7.请使用<code>jQuery</code>编写一个函数，此函数绑定到<code>body</code>的<code>mousemove</code>事件上，在事件中输出鼠标的位置。<br><br><br></p><p>8.利用<code>jQuery</code>编写代码，使页面中的第一个表格能够进行隔行换色(表格的奇数行与偶数行的背景色不同)。<br><br></p><h2 id="说明"><a href="#说明" class="headerlink" title="说明"></a>说明</h2><p>1.题目中出现的JS指的是采用ECMAScript 2015及之后标准的JavaScript</p><p>2.题目中，若有错误和需完善的地方，可在下方留言反馈哈~~</p><p>3.查看答案和解析，请点击<a href="/jsexer30-ans.html" title="前端基础练习题 第30天 答案及解析">前端基础练习题第30天 答案及解析</a></p></div><div><div><div style="text-align:center;color:#ccc;font-size:14px;letter-spacing:.2rem">--本文结束 <i class="fa fa-heart"></i> 感谢阅读--</div></div></div><div><div style="padding:10px 0;margin:20px 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