JavaScript中的浏览器对象

ID：43358794

大小：289.50 KB

页数：23页

时间：2019-10-08

资源描述：

《JavaScript中的浏览器对象》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、JavaScript中的浏览器对象第九章内容回顾对象this语句with语句new操作符eval函数字符串对象Math对象Date对象2本章目标JavaScript中的通用事件浏览器对象-属性和方法3事件对象概念事件可以由用户生成，也可以由系统生成每个事件都有与之相关联的Event对象Event对象提供下列信息：事件类型事件发生时光标的位置Event对象可以用作事件处理程序的一部分4事件的生命周期事件的生命周期通常包含下列阶段：与发生的事件相关联的用户操作或条件立即更新Event对象以反映事件的状态触发事件调用相关联的事件处理程序事件处理程序执行其操作并返回5JavaScript事

2、件onClickonChangeonFocusonBluronMouseOveronMouseOutonLoadonSubmitonMouseDownonMouseUp6onClick事件示例

请输入表达式：

3、ext"NAME="expr"SIZE=15>

结果：
7onChange事件示例functioncheckNum(num){if(num==""){alert("请输入一个数字值");returnfalse;}if(isNaN(num)){alert

4、("请输入一个数字值");returnfalse;}elsealert("谢谢！");}

请输入一个数字：8onFocus/onBlur事件示例

5、ument.bgColor='dimgray')">

9onMouseOver/onMouseOut事件示例varnum=0;functionshowLink(num){if(num==1){document.forms[0].elements[0].value="您选择了Aptech";}if(num==2){document.forms[0].elements[0].value="您选择了Asset";}if(num==3){document.forms[0

6、].elements[0].value="您选择了Arena";}}

Aptech
Asset
Arena
10onLoad事件示例您好</TITLE</p><p>7、><SCRIPTLANGUAGE="JavaScript">functionhello(){alert("您好");}</SCRIPT></HEAD><BODYonLoad="hello()"></BODY></HTML>11onMouseDown/onMouseUp事件示例<HTML><BODYBGCOLOR="lavender"><FORM><INPUTtype=buttonname=text1value="改变颜色"onmousedown="(document.</p> </div> <div class="mt-3 bg-white"> <div class="d-lg-block d-none px-3 px-lg-4 py-3 border-bottom text-center font-18"> 当前文档最多预览五页，下载文档查看全文 </div> <div class="detail-fixed-feature d-none d-lg-block" id="detailFixedFeatureBox"> <div class="px-3 px-lg-4 py-3 d-flex align-items-center justify-content-between fixed-feature-box" id="detailFixedFeature"> <div class="d-lg-flex d-none align-items-center"> <div> <a class="btn btn-outline-danger article-state" href="javascript:;" data-id="43358794" data-code="438274" data-title="JavaScript中的浏览器对象"> <span>侵权申诉</span> </a> <button type="button" class="btn btn-outline-secondary with-light ml-2" data-toggle="modal" data-target="#reportModal" data-id="43358794"><span>举报</span></button> </div> <nav class="d-flex align-items-center ml-4" id="anchorPoint"> <a href="javascript:;" class="btn btn-light anchor-pre px-2"><i class="iconfont text-muted"></i></a> <div class="text-muted mb-0 pre-point-list" id="prePointList"> <a class="px-2 active nav-link" href="#anchorImg0">1</a> <a class="px-2 nav-link" href="#anchorImg1">1</a> <a class="px-2 nav-link" href="#anchorImg2">2</a> <a class="px-2 nav-link" href="#anchorImg3">3</a> <a class="px-2 nav-link" href="#anchorImg4">4</a> <a class="px-2 nav-link" href="#anchorImg5">5</a> / <span class="px-2" id="prePageNums">23</span> </div> <a href="javascript:;" class="btn btn-light anchor-next px-2"><i class="iconfont text-muted"></i></a> </nav> </div> <div class="d-flex align-items-center"> <p class="d-lg-block d-none font-14 text-black-50 mb-0 mr-2">此文档下载收益归作者所有</p> <button class="btn btn-danger detail-download-btn px-3 ml-0 font-16" data-btn="downloadfile" style="width:128px;height:40px;" data-id="43358794" data-price="2000" data-size="289.50 KB" data-page="23页" data-type="ppt" data-binddown="true" data-isold="new_content" data-vip="0" data-title="JavaScript中的浏览器对象">下载文档</button> </div> </div> </div> </div> <div class="d-block d-lg-none px-3 px-lg-4 py-3 border-bottom text-center font-14" style="color:#999">当前文档最多预览五页，下载文档查看全文</div> <button class="btn d-block w-100 d-lg-none btn-danger detail-download-btn px-3 ml-0 font-16" data-btn="downloadfile" data-id="43358794" data-price="2000" data-size="289.50 KB" data-page="23页" data-type="ppt" data-binddown="true" data-isold="new_content" data-vip="0" data-title="JavaScript中的浏览器对象">点击下载本文档 </button> </div> <div class="px-3 px-lg-4 py-3 bg-white mt-3"> <ul class="nav custom-tab border-bottom" id="myTab" role="tablist"> <li class="nav-item" role="presentation"> <a class="nav-link active px-0 mr-4 font-16 font-weight-light pb-3" id="tips-tab" data-toggle="tab" href="#showTips" role="tab" aria-controls="showTips" aria-selected="true">版权提示</a> </li> <li class="nav-item" role="presentation"> <a class="nav-link px-0 pb-3 font-16 font-weight-light text-black-50" href="/d-43358794.html" >下载文档</a> </li> <dl class="flex-grow-1 mb-0 d-lg-none"> <li class="ml-3 float-right d-lg-none"> <button type="button" class="btn btn-light" data-toggle="modal" data-target="#reportModal" data-id="43358794"><span>举报</span></button> </li> </dl> </ul> <div class="tab-content with-content pt-3" id="myTabContent"> <div class="tab-pane fade show active font-14" id="showTips" role="tabpanel" aria-labelledby="showTips-tab"> 温馨提示： <br> 1. 部分包含数学公式或PPT动画的文件，查看预览时可能会显示错乱或异常，文件下载后无此问题，请放心下载。<br> 2. 本文档由用户上传，版权归属用户，天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。<br> 3. 下载前请仔细阅读文档内容，确认文档内容符合您的需求后进行下载，若出现内容与标题不符可向本站投诉处理。<br> 4. 下载文档时可能由于网络波动等原因无法下载或下载错误，付费完成后未能成功下载的用户请联系客服处理。 <br> </div> </div> </div> </div> <div class="detail-sidebar d-none d-lg-block"> <div id="columnDetailSiderRight"> <div class="detail-yourlike mt-0 pb-2" id="relativeArticle"> <div class="border-bottom py-2 d-flex align-items-center justify-content-between"> <h5 class="font-16">相关文章</h5> <a class="font-14 hover-letter-spacing" href="/ucenter/search/index.html?text=JavaScript中的浏览器对象" target="_blank" rel="nofollow">更多<i class="iconfont font-12 pl-1"></i></a> </div> <ul class="font-14 like-list"> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-docx" href="/p-10755533.html" title="javascript中的对象和原型(三)" target="_blank">j<span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span>s<span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span><span class="text-danger">中</span><span class="text-danger">的</span><span class="text-danger">对</span><span class="text-danger">象</span>和原型(三)</a> </li> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-doc" href="/p-12589977.html" title="javascript中xmlhttprequest对象" target="_blank">j<span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span>s<span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span><span class="text-danger">中</span>xmlh<span class="text-danger">t</span><span class="text-danger">t</span><span class="text-danger">p</span><span class="text-danger">r</span>eques<span class="text-danger">t</span><span class="text-danger">对</span><span class="text-danger">象</span></a> </li> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-docx" href="/p-14207689.html" title="javascript中的对象和原型(三)" target="_blank">j<span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span>s<span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span><span class="text-danger">中</span><span class="text-danger">的</span><span class="text-danger">对</span><span class="text-danger">象</span>和原型(三)</a> </li> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-doc" href="/p-30775935.html" title="javascript中创建对象的模式汇总_javascript技巧" target="_blank">j<span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span>s<span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span><span class="text-danger">中</span>创建<span class="text-danger">对</span><span class="text-danger">象</span><span class="text-danger">的</span>模式汇总_j<span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span>s<span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span>技巧</a> </li> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-doc" href="/p-30778829.html" title="javascript浏览器对象之一window对象详解_基础知识" target="_blank">j<span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span>s<span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span><span class="text-danger">浏</span><span class="text-danger">览</span><span class="text-danger">器</span><span class="text-danger">对</span><span class="text-danger">象</span>之一w<span class="text-danger">i</span>ndow<span class="text-danger">对</span><span class="text-danger">象</span>详解_基础知识</a> </li> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-doc" href="/p-36222766.html" title="javascript中的对象" target="_blank">j<span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span>s<span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span><span class="text-danger">中</span><span class="text-danger">的</span><span class="text-danger">对</span><span class="text-danger">象</span></a> </li> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-ppt" href="/p-36885856.html" title="H1-6JavaScript浏览器对象简介" target="_blank">H1-6<span class="text-danger">J</span><span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span><span class="text-danger">S</span><span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span><span class="text-danger">浏</span><span class="text-danger">览</span><span class="text-danger">器</span><span class="text-danger">对</span><span class="text-danger">象</span>简介</a> </li> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-ppt" href="/p-38566158.html" title="JavaScript浏览器对象模型B" target="_blank"><span class="text-danger">J</span><span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span><span class="text-danger">S</span><span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span><span class="text-danger">浏</span><span class="text-danger">览</span><span class="text-danger">器</span><span class="text-danger">对</span><span class="text-danger">象</span>模型B</a> </li> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-ppt" href="/p-39240230.html" title="屏幕对象与浏览器对象(JavaScript基础初学者用)" target="_blank">屏幕<span class="text-danger">对</span><span class="text-danger">象</span>与<span class="text-danger">浏</span><span class="text-danger">览</span><span class="text-danger">器</span><span class="text-danger">对</span><span class="text-danger">象</span>(<span class="text-danger">J</span><span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span><span class="text-danger">S</span><span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span>基础初学者用)</a> </li> <li class=""> <a class="text-ellipsis office-icon text-dark office-icon-ppt" href="/p-42805068.html" title="面向对象编程-JavaScript中的" target="_blank">面向<span class="text-danger">对</span><span class="text-danger">象</span>编程-<span class="text-danger">J</span><span class="text-danger">a</span><span class="text-danger">v</span><span class="text-danger">a</span><span class="text-danger">S</span><span class="text-danger">c</span><span class="text-danger">r</span><span class="text-danger">i</span><span class="text-danger">p</span><span class="text-danger">t</span><span class="text-danger">中</span><span class="text-danger">的</span></a> </li> </ul> </div> <div class="detail-yourlike pb-2"> <div class="border-bottom py-2"> <h5 class="font-16">相关标签</h5> </div> <ul class="font-14 like-list d-flex flex-wrap"> <a class="search-tag" href="/tags/14/" target="_blank">JavaScript</a> <a class="search-tag" href="/tags/1579551/" target="_blank">浏览器</a> <a class="search-tag" href="/tags/1051598/" target="_blank">对象</a> </ul> </div> <script src="/d/js/acmsd/thea1.js"></script> </div> </div> </div> <footer> <div class="container d-none d-lg-block mb-4"> <div class="d-flex justify-content-between footer-nav"> <ul class="d-flex foot-nav"> <li> <h5>常见问题</h5> <a class=text-decoration-none href=/help/wenti/upload/ target=_blank> 关于上传 </a><a class=text-decoration-none href=/help/wenti/xiazai/ target=_blank> 关于下载 </a><a class=text-decoration-none href=/help/wenti/qinquan/ target=_blank> 关于侵权 </a><a class=text-decoration-none href=/help/wenti/fenxaing/ target=_blank> 分享文档赚钱教程 </a> </li> <li> <h5>关于我们</h5> <a class=text-decoration-none href=/help/about/wzjs/ target=_blank> 网站介绍 </a><a class=text-decoration-none href=/help/about/gywm/ target=_blank> 关于我们 </a><a class=text-decoration-none href=/help/about/lxwm/ target=_blank> 联系我们 </a> </li> <li> <h5>版权问题</h5> <a class=text-decoration-none href=/help/banquan/bqsm/ target=_blank> 版权声明 </a><a class=text-decoration-none href=/help/banquan/qqcl/ target=_blank> 侵权处理 </a><a class=text-decoration-none href=/help/banquan/mzsm/ target=_blank> 免责声明 </a> </li> <li> <h5>协议条款</h5> <a class=text-decoration-none href=/help/xieyi/yhxy/ target=_blank> 用户协议 </a><a class=text-decoration-none href=/help/xieyi/fwtk/ target=_blank> 用户服务条款 </a><a class=text-decoration-none href=/help/xieyi/ysbh/ target=_blank> 用户隐私保护 </a> </li> <li> <h5>网站导航</h5> <a class="text-decoration-none help-nav-item" href="/sitemaps.xml" data-name="网站地图" target="_blank">网站地图</a> <a class="text-decoration-none help-nav-item" href="/list.html" data-name="全部分类" target="_blank">全部分类</a> <a class="text-decoration-none help-nav-item" href="/sitemaps/index.html" data-name="资源地图" target="_blank">资源地图</a> </li> </ul> <div class="foot-qrcode d-flex"> <div> <div class="subsitute-bg"><img src="https://www.wenku365.com/d/file/2022/07-08/f23df57d987ef7ad9acb33fe5abf9854.jpg"></div> <p>关注公众号<br></p> </div> </div> </div> </div> <div class="footer-copyright"> <p><a href="/" target="_blank">天天文库</a>站为“文档C2C交易模式”，即用户上传的文档直接卖给(下载)用户，本站只是中间服务平台，本站所有文档下载所得的收益归上传人(含作者)所有【成交的100%(原创)】。</p> <p>本站是网络服务平台方，若您的权利被侵害，侵权客服QQ：3074922707 欢迎举报。</p> <p>Copyright 2004-2021 <a href="https://www.wenku365.com/" target="_blank">wenku365.com</a> All Rights Reserved <a href="https://beian.miit.gov.cn/#/Integrated/index" rel="nofollow" target="_blank">闽ICP备15016911号-5 </a></p> <p>闽公网安备 <a href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=35052402000320" rel="nofollow" target="_blank">35052402000320</a></p> <p> <a href="https://www.wenku365.com/zt.html" target="_blank">专题文集</a> <a href="https://www.wenku365.com/zt-90007.html" target="_blank">丨职业培训</a> <a href="https://www.wenku365.com/zt-90005.html" target="_blank">丨实用范文</a> <a href="https://www.wenku365.com/zt-90010.html" target="_blank">丨商业材料</a> <a href="https://www.wenku365.com/zt-90013.html" target="_blank">丨合同协议</a> <a href="https://www.wenku365.com/zt-90009.html" target="_blank">丨PPT专题</a></p> </div> </footer> <script src="//static.wenku365.com/wenku365/js/global.min.js?"></script> <script src="//static.wenku365.com/wenku365/js/clipboard.min.js?"></script> <script src="//static.wenku365.com/wenku365/js/jquery.treeview.js?"></script> <script src="//static.wenku365.com/wenku365/js/jquery.share.min.js?"></script> <script src="//static.wenku365.com/wenku365/js/common.min.js?"></script> <script src="//static.wenku365.com/wenku365/js/downloadFile.js?"></script> <script src="//static.wenku365.com/wenku365/js/loginWindow.js?"></script> <script src="//static.wenku365.com/wenku365/js/windowRecharge.js?"></script> <script src="//static.wenku365.com/wenku365/js/viewer.min.js?"></script> <script src="//static.wenku365.com/wenku365/js/detail.js?"></script>  </body> </html>