珠江路在线
首页
互联网思维
硬件中心
软件中心
游戏中心
源码之家
今日新鲜事
传奇
软件开发培训班
>>
编程开发
>> JavaScript
软件新闻
编程开发
创意设计
操作系统
软件下载
javascript 三种数组复制方法的性能对比
本文标签：javascript,数组复制
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=GB18030" /> <title>3种数组复制方法的性能对比</title> <meta name="description" content="数组复制, slice, concat" /> <meta name="keywords" content="数组复制, slice, concat" /> </head> <body> <div class="section"> <p>我们以一个拥有500000个子项的数组, 作为测试对象(IE不会崩溃哦!).</P><br><INPUT onclick=runEx('runcode') type=button value=运行代码 /><br> </span> </td> </tr> </table> <br> </div> <div id="st-right" class="col-lg-wide-25 col-xs-1 padding-0 hidden-xs" style="height:100%;"><br> <table width="300" border="0" cellspacing="5" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td> <div align="CENTER">技术文章快速查找</div> </td> </tr> </table> <table width="300" border="0" cellspacing="1" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td bgcolor="#FFFFFF"> <table width="98%" border="0" cellspacing="0" cellpadding="2" class="unnamed1" align="center"> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/28837.html" target="_blank"> 一段非常简单的让图片自动切换js代码 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/35941.html" target="_blank"> JQuery与JSon实现的无刷新分页代码 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/71546.html" target="_blank"> JavaScript中创建对象和继承示例解读 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/30825.html" target="_blank"> JavaScript for in锚点的动态创建 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/36876.html" target="_blank"> jquery 获取自定义属性(attr和prop)的实现代码 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/75285.html" target="_blank"> jquery 3D 标签云示例代码 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/76094.html" target="_blank"> javascript数组操作方法小结和3个属性详细介绍 </a> </td> </tr> <tr> <td><a href="http://www.zhujiangroad.com/program/JavaScript/34670.html" target="_blank"> 解决jQuery插件tipswindown与hintbox冲突 </a> </td> </tr> </table> </td> </tr> </table> <br> <table width="300" border="0" cellspacing="5" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td> <div align="CENTER"><b class="unnamed1">相关下载</b></div> </td> </tr> </table> <table width="300" border="0" cellspacing="1" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td bgcolor="#FFFFFF"> <table width="290" border="0" cellspacing="0" cellpadding="2" align="center" class="unnamed1" > </table> </td> </tr> </table> <br> <table width="300" border="0" cellspacing="5" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td> <div align="CENTER"><b class="unnamed1">在线教程导航</b></div> </td> </tr> </table> <table width="300" border="0" cellspacing="1" cellpadding="2" bgcolor="#FF9933" align="CENTER"> <tr> <td bgcolor="#FFFFFF"> <table width="100%" border="0" cellspacing="0" cellpadding="1" class="unnamed1"> <tr> <td bgcolor="#CCCCCC" colspan="3"> <div align="center">软件应用</div> </td> </tr> <tr> <td width="31%">·<a href="../../edu/Windows8/">Windows8</a></td> <td width="38%">·<a href="../../edu/Windows7/">Windows7</a></td> <td width="31%">·<a href="../../edu/Word/">Word</a></td> </tr> <tr> <td width="31%">·<a href="../../edu/Excel/">Excel</a></td> <td width="38%">·<a href="../../edu/PPT/">PPT</a></td> <td width="31%">·<a href="../../edu/WPS/">WPS</a></td> </tr> <tr> <td bgcolor="#CCCCCC" colspan="3"> <div align="center">Web开发</div> </td> </tr> <tr> <td width="31%">·<a href="../../program/ASP/">ASP</a></td> <td>·<a href="../../program/JavaScript/">JavaScript</a></td> <td>·<a href="../../program/CSS/">DIV+CSS</a></td> </tr> <tr> <td width="31%">·<a href="../../program/JSP/">JSP</a></td> <td>·<a href="../../program/VbScript/">VbScript</a></td> <td>·<a href="../../program/XML/">XML</a></td> </tr> <tr> <td width="31%">·<a href="../../program/PHP/">PHP</a></td> <td> </td> <td> </td> </tr> <tr> <td bgcolor="#CCCCCC" colspan="3"> <div align="center">开发语言</div> </td> </tr> <tr> <td width="31%">·<a href="../../program/VB/">VB</a></td> <td>·<a href="../../program/VC/">VC</a></td> <td>·<a href="../../program/ASPNET/">ASP.NET</a></td> </tr> <tr> <td width="31%">·<a href="../../program/Java/">Java</a></td> <td>·<a href="../../program/C++/">C++</a></td> <td>·<a href="../../program/Delphi/">Delphi</a></td> </tr> <tr> <td bgcolor="#CCCCCC" colspan="3"> <div align="center">数据库开发</div> </td> </tr> <tr> <td width="31%">·<a href="../../program/MySQL/">MySQL</a></td> <td>·<a href="../../program/SQL/">MsSQL</a></td> <td><span class="unnamed1">·<a href="../../program/Access/">Access</a></span></td> </tr> <tr> <td width="31%">·<a href="../../program/Oracle/">Oracle</a></td> <td>·<a href="../../program/DB2/">DB2</a></td> <td> </td> </tr> <tr> <td bgcolor="#CCCCCC" colspan="3"> <div align="center">手机系统</div> </td> </tr> <tr> <td width="31%">·<a href="../../program/Android/">Android</a></td> <td>·<a href="../../program/iOS/">iOS</a></td> <td>·<a href="../../program/WindowsPhone/">WindowsPhone</a></td> </tr> <tr> <td bgcolor="#CCCCCC" colspan="3"> <div align="center">网站设计</div> </td> </tr> <tr> <td width="31%">·<a href="../../design/Flash/">Flash</a></td> <td>·<a href="../../design/Dreamweaver/">Dreamweaver</a></td> <td>·<a href="../../design/Fireworks/">Fireworks</a></td> </tr> <tr> <td bgcolor="#CCCCCC" colspan="3"> <div align="center">平面设计</div> </td> </tr> <tr> <td width="31%">·<a href="../../design/Photoshop/">Photoshop</a></td> <td>·<a href="../../design/CorelDraw/">CorelDraw</a></td> <td>·<a href="../../design/AutoCAD/">AutoCAD</a></td> </tr> <tr> <td width="31%">·<a href="../../design/3DsMAX/">3DsMAX</a></td> <td>·<a href="../../design/Illustrator/">Illustrator</a></td> <td> </td> </tr> <tr> <td bgcolor="#CCCCCC" colspan="3"> <div align="center">网络技术</div> </td> </tr> <tr> <td width="31%">·<a href="../../net/website.html">网站运营</a></td> <td>·<a href="../../net/safety.html">网络安全</a></td> <td>·<a href="../../net/net.html">网络搭建</a></td> </tr> </table> </td> </tr> </table><br> <div class="hidden-xs" align="center"> <p><a href="http://www2.zhujiangroad.com/chuanqi/" target="_blank" title="传奇" ><img src="http://www.zhujiangroad.com/chuanqi/300250.gif" width="250" alt="传奇" ></a></p> <p><a href="http://wanmeiguoji.zhujiangroad.com/" target="_blank" title="天龙八部sf" ><img src="http://www.zhujiangroad.com/tlbb/250.jpg" width="250" alt="传奇"></a></p> <p><a href="http://www.zhujiangroad.com/moyu/index.html" target="_blank" title="魔域" ><img src="http://www.zhujiangroad.com/moyu/250.jpg" width="250" alt="魔域"></a></p> </div> </div> </div> </div> </div> </div> <div style="background:#ccc"> <div class="visible-xs"><br /><br /><br /></div> <script src="/2020_footer_menu.js"></script> <div class="stui-pannel-box clearfix hidden-xs" id="footer-menu"> <div> <div class="col-xs-1 padding-0" align="center"> <span align="left"><b>工具：</b><a href="http://www.zhujiangroad.com/tool/chengyu/" class="unnamed1" target="_blank">成语大全</a> <span class="unnamed1"> <a href="http://www.zhujiangroad.com/tool/postal/" target="_blank">邮编区号</a> <a href="http://www.zhujiangroad.com/tool/map/" target="_blank">全国地图</a> <a href="http://2sc.jsche.net/" title="南京二手车" target="_blank" class="unnamed1" >南京二手车</a> <a href="http://www.movie123.com.cn/" title="免费电影大全" target="_blank">免费电影</a> <a href="http://www.zhujiangroad.com/tool/fanti/pinyin.htm" target="_blank">汉字换拼音</a> <a href="http://www.zhujiangroad.com/tool/fanti/" target="_blank">繁体字转换</a> <a href="http://www.zhujiangroad.com/tool/erweima/" target="_blank">二维码</a></span> | 站长工具：<span class="unnamed1"><a href="http://www.zhujiangroad.com/tool/shoulu/" target="_blank">收录/反向链接</a> <a href="http://www.zhujiangroad.com/tool/Alexa/" target="_blank">ALEXA排名</a> <a href="http://www.zhujiangroad.com/tool/KeyWords/" target="_blank">关键词排名</a> <a href="http://www.zhujiangroad.com/tool/Whois/" target="_blank">WHOIS</a></span></span><br /> <span align="left"><b>教程：</b><span class="unnamed1"><a href="http://www.zhujiangroad.com/edu/PPT/" class="unnamed1">PPT</a> <a href="http://www.zhujiangroad.com/edu/Excel/" class="unnamed1">Excel</a> <a href="http://www.zhujiangroad.com/edu/Word/" class="unnamed1">Word</a> <a href="http://www.zhujiangroad.com/design/Dreamweaver/">Dreamweaver</a> <a href="http://www.zhujiangroad.com/design/Photoshop/">Photoshop</a> | <a href="http://www.zhujiangroad.com/program/asp/" class="unnamed1">ASP</a> <a href="http://www.zhujiangroad.com/program/PHP/">PHP</a> | <a href="http://www.zhujiangroad.com/program/ASPNET/">ASP.NET</a> <a href="http://www.zhujiangroad.com/program/Java/">Java</a> | <a href="http://www.zhujiangroad.com/program/SQL/">SQL</a> <a href="http://www.zhujiangroad.com/program/MySQL/">MySQL</a></span> 热门论坛：<span class="unnamed1"><a href="http://bbs.zhujiangroad.com/forum-40-1.html" target="_blank">游戏</a> <a href="http://bbs.zhujiangroad.com/forum-58-1.html" target="_blank">美食</a> <a href="http://www.chuanqisifu.cn/" target="_blank">传奇</a> <a href="http://www.mxdsifu.cn" target="_blank">冒险岛</a> <a href="http://www.moyusf.com.cn/" target="_blank">魔域</a> <a href="http://www.tlbbfbw.net/" target="_blank">天龙八部</a> <a href="http://www.dnfsifu.net" target="_blank">DNF</a> <a href="http://www.ztsf.com.cn/" target="_blank">征途</a></span></span><br /> <span align="left"><b>游戏：</b><span class="unnamed1"><a href="/chuanqi/" target="_blank">传奇</a> <a href="/tlbb/" target="_blank">天龙八部</a> <a href="/moyu/" target="_blank">魔域</a> <a href="/qiji/" target="_blank">奇迹</a> <a href="/dnf/" target="_blank">DNF公益服</a> <a href="/woool/" target="_blank">传奇世界</a> <a href="/wyyx/shentu/" target="_blank">神途</a> <a href="/mhxy/" target="_blank">梦幻西游</a> <a href="http://wanmeiguoji.zhujiangroad.com/" target="_blank">天龙八部</a> <a href="http://www.moyusf.com/" target="_blank">魔域</a> <a href="http://dnf.zhujiangroad.com/" target="_blank">DNF</a> <a href="http://mxd.zhujiangroad.com/" target="_blank">冒险岛</a> <a href="http://sy.zhujiangroad.com/" target="_blank">奇迹</a> <a href="http://www.moyufbw.com/" target="_blank">魔域</a> <a href="http://www.cqsfw.cn/" target="_blank">传奇</a> <a href="http://www.dzy8.com/" target="_blank">单职业</a> <a href="http://www.tianlongbabusifu.com/" target="_blank">天龙</a> <a href="http://www.pc0510.com/game/moyu/" target="_blank">魔域</a> <a href="http://www.mhxysf.com/" target="_blank">梦幻西游</a> <a href="http://www.dnfgyf.com/" target="_blank">DNF</a> <a href="http://www.tlbbsfw.com/" target="_blank">天龙八部</a></span></span><br /> <span align=center><a href="/index-about.html" target="_blank">关于我们</a> <a href="/index-ad.html" target="_blank">广告报价</a> | <b>版权声明</b>：本网站归南京网爵数码科技有限责任公司版权所有。</span><a href="https://beian.miit.gov.cn/" target="_blank" class="cd">苏ICP备05016148号-1</a> <a href="https://beian.miit.gov.cn/" target="_blank" class="cd">公安备案号 32010202010177</a> <a target="blank" href="http://wpa.qq.com/msgrd?v=1&site=zhujiangroad.com&menu=yes&uin=58667443" ><img border="0" src="http://wpa.qq.com/pa?p=1:58667443:1" /></a></div> <script> //百度自动收录代码 (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </div> </div> </div> </body> </html>
