简介：本文将详细介绍如何通过JavaScript访问嵌入在网页中的内部的对象和变量，包括跨域情况下的解决方案。 为了获取iframe中的元素和JS变量值，不能使用$(document).ready()方法，而应该采用$(#iframeId).load()方法。 </p></div> </div> <div data-v-88f98792="" class="w-full p-5 mb-3 bg-white border border-gray-200 rounded-lg dark:bg-gray-800 dark:border-gray-700"> <div class="flex justify-center items-center mt-14 mb-7 text-gray-500 relative"><h2>全部评论 (<span>0</span>)</h2></div> <div class="w-full px-5 py-10 mb-3 bg-white border border-gray-200 rounded-lg dark:bg-gray-800 dark:border-gray-700"> <div class="flex items-center mt-10 mb-5 justify-center text-gray-400">还没有任何评论哟~</div> </div> </div> </div> <aside data-v-88f98792="" class="col-span-4 md:col-span-1 animate__animated animate__fadeInUp"> <div data-v-88f98792="" class="sticky top-[5.5rem]"> <div data-v-88f98792="" class="w-full py-5 px-2 mb-3 bg-white border border-gray-200 rounded-lg dark:bg-gray-800 dark:border-gray-700"> <div> <div class="flex flex-col items-center"> <div class="relative mb-4 mt-6"> <button 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0.4096-5.44768zM578.56 252.48256L694.71744 368.64H578.56V252.48256zM271.36 829.44V194.56h225.28v215.04a40.96 40.96 0 0 0 40.96 40.96h215.04v378.88H271.36z" p-id="26447" fill="#707070"></path> <path data-v-abd0b829="" d="M371.2 660.48h133.12a40.96 40.96 0 0 0 0-81.92h-133.12a40.96 40.96 0 0 0 0 81.92zM650.24 696.32H363.52a40.96 40.96 0 0 0 0 81.92h286.72a40.96 40.96 0 0 0 0-81.92z" p-id="26448" fill="#707070"></path> </svg> </div> <div data-v-abd0b829="" class="col-start-2 p-1 col-end-8 items-center sm:flex text-base font-normal pt-1 text-gray-900 dark:text-white min-h-13 max-h-13 overflow-hidden"> <a data-v-abd0b829="" class="min-h-12 max-h-12 overflow-hidden ..." title="<span style=color: #f73131>JS</span><span style=color: #f73131>获</span><span style=color: #f73131>取</span><span style=color: #f73131>HTML</span><span style=color: #f73131>中</span><span style=color: #f73131>iframe</span><span style=color: #f73131>内</span><span style=color: #f73131>的</span><span style=color: 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dark:text-white"> <div data-v-abd0b829="" class="min-h-8 max-h-8 overflow-hidden ..."> 本文将详细介绍如何通过JavaScript访问嵌入在网页中的<iframe>内部的对象和变量，包括跨域情况下的解决方案。 为了获取iframe中的元素和JS变量值，不能使用$(document).ready()方法，而应该采用$(#iframeId).load()方法。 </div><!----> </div> </li> <li data-v-abd0b829="" class="border-solid border-2 border-gray-300 dark:border-gray-600 grid auto-rows-min grid-cols-9 hover:bg-gray-100 hover:rounded-lg dark:hover:bg-gray-700 listyle" style="cursor: pointer;"> <div data-v-abd0b829="" class="col-start-1 pt-1 col-end-2 row-span-2 place-self-center imgsize"> <svg data-v-abd0b829="" t="1721980773527" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="26446" width="55" height="110"> <path data-v-abd0b829="" d="M834.6624 409.6a40.8576 40.8576 0 0 0-13.7728-30.63808l-254.32064-254.32064a40.87296 40.87296 0 0 0-31.1552-11.84768c-0.97792-0.07168-1.9456-0.1536-2.93376-0.1536H230.4a40.96 40.96 0 0 0-40.96 40.96v716.8a40.96 40.96 0 0 0 40.96 40.96h563.2a40.96 40.96 0 0 0 40.96-40.96V419.84c0-1.62304-0.11776-3.21536-0.3072-4.79232a40.6528 40.6528 0 0 0 0.4096-5.44768zM578.56 252.48256L694.71744 368.64H578.56V252.48256zM271.36 829.44V194.56h225.28v215.04a40.96 40.96 0 0 0 40.96 40.96h215.04v378.88H271.36z" p-id="26447" fill="#707070"></path> <path data-v-abd0b829="" d="M371.2 660.48h133.12a40.96 40.96 0 0 0 0-81.92h-133.12a40.96 40.96 0 0 0 0 81.92zM650.24 696.32H363.52a40.96 40.96 0 0 0 0 81.92h286.72a40.96 40.96 0 0 0 0-81.92z" p-id="26448" fill="#707070"></path> </svg> </div> <div data-v-abd0b829="" class="col-start-2 p-1 col-end-8 items-center sm:flex text-base font-normal pt-1 text-gray-900 dark:text-white min-h-13 max-h-13 overflow-hidden"> <a data-v-abd0b829="" class="min-h-12 max-h-12 overflow-hidden ..." title="使用<span style=color: #f73131>JS</span><span style=color: #f73131>获</span><span style=color: #f73131>取</span>和操作<span style=color: #f73131>iframe</span><span style=color: #f73131>内</span><span style=color: #f73131>元</span><span 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#f73131>的</span>方法</a> </div> <div data-v-abd0b829="" class="col-start-9 col-end-10" style="float: left;"><span data-v-abd0b829="" class="onestyle">优质</span></div> <div data-v-abd0b829="" class="col-start-2 col-end-9 p-1 text-gray-500 text-xs font-normal dark:text-white"> <div data-v-abd0b829="" class="min-h-8 max-h-8 overflow-hidden ..."> 本文章介绍了如何使用jQuery库来操作和选取嵌入网页中的iframe框架内的DOM元素的方法，帮助开发者解决跨域限制等问题。 主要介绍了如何使用Jquery获取iframe页面中的Dom元素，需要的朋友可以参考。 </div><!----> </div> </li> <li data-v-abd0b829="" class="border-solid border-2 border-gray-300 dark:border-gray-600 grid auto-rows-min grid-cols-9 hover:bg-gray-100 hover:rounded-lg dark:hover:bg-gray-700 listyle" style="cursor: pointer;"> <div data-v-abd0b829="" class="col-start-1 pt-1 col-end-2 row-span-2 place-self-center imgsize"> <svg data-v-abd0b829="" t="1721980773527" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="26446" width="55" height="110"> <path data-v-abd0b829="" d="M834.6624 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..." title="通过<span style=color: #f73131>JS</span><span style=color: #f73131>获</span><span style=color: #f73131>取</span><span style=color: #f73131>iframe</span><span style=color: #f73131>的</span><span style=color: #f73131>内</span>容" href="https://d.itadn.com/i0_63444262342/B/569365" target="_blank">通过<span style=color: #f73131>JS</span><span style=color: #f73131>获</span><span style=color: #f73131>取</span><span style=color: #f73131>iframe</span><span style=color: #f73131>的</span><span style=color: #f73131>内</span>容</a> </div> <div data-v-abd0b829="" class="col-start-9 col-end-10" style="float: left;"><span data-v-abd0b829="" class="onestyle">优质</span></div> <div data-v-abd0b829="" class="col-start-2 col-end-9 p-1 text-gray-500 text-xs font-normal dark:text-white"> <div data-v-abd0b829="" class="min-h-8 max-h-8 overflow-hidden ..."> 本教程详细介绍如何使用JavaScript获取嵌入页面（iframe）内的内容和数据，包括跨域访问限制及解决方法。 本段落介绍了如何使用 JavaScript 获取 iframe 中的内容。首先，需要获取到 iframe 元素，并通过 contentWindow 属性来访问该元素中的 window 对象。接下来，可以利用这个 window 对象的 document 属性得到 iframe 内部的文档对象，进而从中提取所需的信息。文中还给出了示例代码，展示了如何从 iframe 中获取文本内容和 HTML 内容的方法。 </div><!----> </div> </li> <li data-v-abd0b829="" class="border-solid border-2 border-gray-300 dark:border-gray-600 grid auto-rows-min grid-cols-9 hover:bg-gray-100 hover:rounded-lg dark:hover:bg-gray-700 listyle" style="cursor: pointer;"> <div data-v-abd0b829="" class="col-start-1 pt-1 col-end-2 row-span-2 place-self-center imgsize"> <svg data-v-abd0b829="" t="1721980773527" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="26446" width="55" height="110"> <path data-v-abd0b829="" d="M834.6624 409.6a40.8576 40.8576 0 0 0-13.7728-30.63808l-254.32064-254.32064a40.87296 40.87296 0 0 0-31.1552-11.84768c-0.97792-0.07168-1.9456-0.1536-2.93376-0.1536H230.4a40.96 40.96 0 0 0-40.96 40.96v716.8a40.96 40.96 0 0 0 40.96 40.96h563.2a40.96 40.96 0 0 0 40.96-40.96V419.84c0-1.62304-0.11776-3.21536-0.3072-4.79232a40.6528 40.6528 0 0 0 0.4096-5.44768zM578.56 252.48256L694.71744 368.64H578.56V252.48256zM271.36 829.44V194.56h225.28v215.04a40.96 40.96 0 0 0 40.96 40.96h215.04v378.88H271.36z" p-id="26447" fill="#707070"></path> <path data-v-abd0b829="" d="M371.2 660.48h133.12a40.96 40.96 0 0 0 0-81.92h-133.12a40.96 40.96 0 0 0 0 81.92zM650.24 696.32H363.52a40.96 40.96 0 0 0 0 81.92h286.72a40.96 40.96 0 0 0 0-81.92z" p-id="26448" fill="#707070"></path> </svg> </div> <div data-v-abd0b829="" class="col-start-2 p-1 col-end-8 items-center sm:flex text-base font-normal pt-1 text-gray-900 dark:text-white min-h-13 max-h-13 overflow-hidden"> <a data-v-abd0b829="" class="min-h-12 max-h-12 overflow-hidden ..." title="<span style=color: #f73131>JS</span><span style=color: #f73131>获</span><span style=color: #f73131>取</span><span style=color: #f73131>元</span><span style=color: #f73131>素</span>类<span style=color: #f73131>中</span>CSS属性<span style=color: #f73131>值</span><span style=color: #f73131>的</span>代码" href="https://d.itadn.com/i0_77901441576/B/1243695" target="_blank"><span style=color: #f73131>JS</span><span style=color: #f73131>获</span><span style=color: #f73131>取</span><span style=color: #f73131>元</span><span style=color: #f73131>素</span>类<span style=color: #f73131>中</span>CSS属性<span style=color: #f73131>值</span><span style=color: #f73131>的</span>代码</a> </div> <div data-v-abd0b829="" class="col-start-9 col-end-10" style="float: left;"><span data-v-abd0b829="" class="onestyle">优质</span></div> <div data-v-abd0b829="" class="col-start-2 col-end-9 p-1 text-gray-500 text-xs font-normal dark:text-white"> <div data-v-abd0b829="" class="min-h-8 max-h-8 overflow-hidden ..."> 本段代码展示如何在JavaScript中从DOM元素类中提取特定的CSS样式属性值，适用于前端开发人员进行网页动态样式控制。 在JavaScript中获取元素的CSS属性值通常有两种方法：一种是通过`element.style.property`直接访问内联样式；另一种则是使用`window.getComputedStyle(element)`或IE特有的`element.currentStyle`来获取所有计算后的样式，包括外部CSS文件中的定义。 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class="min-h-12 max-h-12 overflow-hidden ..." title="<span style=color: #f73131>JS</span><span style=color: #f73131>获</span><span style=color: #f73131>取</span><span style=color: #f73131>元</span><span style=color: #f73131>素</span><span style=color: #f73131>内</span>全部LI标签<span style=color: #f73131>的</span>两种方式" href="https://d.itadn.com/i0_46047003362/B/354764" target="_blank"><span style=color: #f73131>JS</span><span style=color: #f73131>获</span><span style=color: #f73131>取</span><span style=color: #f73131>元</span><span style=color: #f73131>素</span><span style=color: #f73131>内</span>全部LI标签<span style=color: #f73131>的</span>两种方式</a> </div> <div data-v-abd0b829="" class="col-start-9 col-end-10" style="float: left;"><span data-v-abd0b829="" class="onestyle">优质</span></div> <div data-v-abd0b829="" class="col-start-2 col-end-9 p-1 text-gray-500 text-xs font-normal dark:text-white"> <div data-v-abd0b829="" class="min-h-8 max-h-8 overflow-hidden ..."> 本文介绍了在JavaScript中获取HTML元素内部所有<li>标签的两种方法，帮助开发者更灵活地操作DOM结构。 主要介绍了如何使用JavaScript获取元素下面所有的<li>标签，并列举了几种方法。需要的朋友可以参考一下。 </div><!----> </div> </li> </body> </html>
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