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[Web]9 原型
【web前端工程师】19/341
![[Web]8 构造函数性能问题](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/8c0a16d4c96b44cf9218b9243b6b9105~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=RsgMedOx1XcY3GeQlv1FlGusYP0%3D)
App04:10![[Web]9 原型](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/7a389f7132f047ffa5ab278fc3da5aef~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=DOAA74Hb3K6PSjmZdPfl0jUnA14%3D)
App11:50![[Web]10 三者关系](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/971c78c4131a4816bccc7377c27ba9b0~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=F1xbnREnYnhtmRo8jKRxTayEimY%3D)
App04:49![[Web]11 工厂模式对比构造函数](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b04c913687624d40a3f8cd6745ce3cf9~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=9kHNhK%2FEvGeOpXqStFftLuJKZ2s%3D)
App04:41![[Web]12 原型链](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/e0350e8f10154c59aaa00785d15caa2e~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=G%2FbtyLWnlzPMLUtnvMU1sQTaG6A%3D)
App06:27![[Web]13 call、apply、bind](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/3cc7e3661df04315b245cb944e46d99d~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=WWwysdzH3tBdVtYbHD8hLSDreUc%3D)
App04:24![[Web]14 继承](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/4ea74b34b8384b8c96fbf12423082bbe~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=D8m4T3Hk1jZvS7UpmPSJNCVPohE%3D)
App05:49![[Web]15 原型继承](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/e8b372a0d53046f2bb0e3f5b354b9d9e~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=lYSjMRYYtyZJSxzHp0%2FTNyB1kM4%3D)
App03:36![[Web]16 传值和传址](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/d9448680783641589347c8a15e41fbc9~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=NEel7qQltNAy%2BYybj%2ByMs2PpQBA%3D)
App04:25![[Web]17 深拷贝](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/741d11cdef044f7fb74ebe1c64c6c23c~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=dEf9%2F0PliPMtaQDjc%2F%2FADwfc1Mo%3D)
App10:15![[Web]18 组合继承](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/4ff7e12270624145a1a6980a0545e8cc~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=cv3uLUTFfFuBj1%2FhBbPBI6VZDkk%3D)
App03:07![[Web]19.0 （面向对象基础一）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/38ac9d65b309476d86f0e3e83a31bdae~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=UM7GFTrlOdas22hychOArEltNfw%3D)
App24:51![[Web]19.1 （面向对象基础一）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/3e7d612aa085460ab73d129ebb3137a0~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=urNjerIXQDtKuTlU%2FYZ01lPUEAc%3D)
App27:43![[Web]19.2 （面向对象基础一）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/c9c1194d1c4c49fc9d3683d48353ed3c~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=co9xAIHPcfZl9dp8q%2BPPEJeaYWw%3D)
App23:59![[Web]19.3 （面向对象基础一）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b00f84798193460e809fe358a787ce2b~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=RwprbOg5%2FlfkDFZ9MhE7i3xI%2FHE%3D)
App26:52![[Web]19.4 （面向对象基础一）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/3f1a52cf91b942aaa7404659f190a683~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=Y7BuOE3EtshrXE%2ByXurjW9UNZWI%3D)
App31:12![[Web]19.5 （面向对象基础一）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/dd02f23900ba449299f6cb040baa50fa~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=t5EXvfoZOnuNzbzIuM%2FvXhVK7%2Fo%3D)
App20:55![[Web]20.0 （面向对象基础二）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/1651538804cc4a48879f86d2c455f3df~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=wEOC2lllZvhGS%2FerohBAb01Ttz4%3D)
App29:25![[Web]20.1 （面向对象基础二）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/19133184e8574bc5a91781869a890ce0~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=cxIAw2xCkyM1JqTrCZDrFqEB8WY%3D)
App19:55![[Web]20.2 （面向对象基础二）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/8abcaf9543604e20bfc3cde065650ae8~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=SPdrvkE78nwuaNK1uOVxCophbko%3D)
App19:38![[Web]20.3 （面向对象基础二）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/b0cf3d112b58438b8e7341c212234359~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=saKlOmRj5UHCL2l6RFOJgDGXqVA%3D)
App19:36![[Web]20.4 （面向对象基础二）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/86e7b48b9ae14810b53ce7b5503fe7c5~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=oqtrrMQFAFYkRduhRY3I9ZIbzMg%3D)
App17:41![[Web]20.5 （面向对象基础二）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/3c42f07a2ea147a5a7f4090942fb142f~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=NF6Q8ihIDLG69olnrHSX%2BNcJTno%3D)
App17:58![[Web]20.6 （面向对象基础二）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/8de8cede8600401e9d521c7d2c59a3dd~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=w5%2FtQaZggB%2Fd510yJ6oxlVlRjiE%3D)
App14:35![[Web]21.0 （组件封装）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/63399bf25c004d27a7ad2057e6706ba6~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=8DvTiO6JCh8iogj%2B%2BFEF1ben2XI%3D)
App24:56![[Web]21.1 （组件封装）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b76a650373b0438b951b9ab351449ed9~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=PPfp292Ba7qlFBvSbbYMjKh%2FT3k%3D)
App12:23![[Web]21.2 （组件封装）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/7595a1d5393943389f442dbee690dc81~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=uj3gfzK9yKzF5Una9EdU6ijsoFs%3D)
App12:19![[Web]21.3 （组件封装）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/41638d4de7354faab91a421e5911ed34~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=tu%2BKIxVjgIcgN1AP2Ba1M0DxdKA%3D)
App15:28![[Web]21.4 （组件封装）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/d5ff762499c44c6ca2bb60e31c4e34e6~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=QbiFbrmgKHQFNf1TinEtSnG0C64%3D)
App15:44![[Web]21.5 （组件封装）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/cb4b7eccaf1945b686ac76f1e42cab65~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=U3y2AxzMbK%2Fbyq2nx5kgj%2BEoS7s%3D)
App25:26![[Web]21.6 （组件封装）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/242692e55f03478d9dca815af424629a~tplv-pk90l89vgd-crop-center:576:324.jpeg?appId=3586&biz_tag=list_custom%2Fnone&channelId=0&customType=custom%2Fnone&from=704_middle_image&imageType=list&isImmersiveScene=0&is_ios=1&is_stream=0&lk3s=9d3f5bff&logId=20250203094456E9229FD09121A1A39BBE&requestFrom=704&version_code=80402&x-expires=1770083097&x-signature=Pv65M%2BuXNBi5G3s%2BNHg6ZeJCaw4%3D)
App15:35打开App观看
