打开App
[Web]3 js里的对象
【web前端工程师】13/341
![[Web]2 面向对象概念](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/36cce6d5f97d466c8d9a0b6596e02419~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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=kmJhUP09mMXJERCaNOdPyAyYjvM%3D)
App11:51![[Web]3 js里的对象](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/24e749de061846b296a8fccd4611896e~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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=J0q2S2MV4ri6w0zbxyoMIXDDOB0%3D)
App08:22![[Web]4 工厂模式](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/da77e623c7784b97aaac6acb47894037~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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=OyacxNdj5UxFiLtLweCXCA0%2FXs4%3D)
App06:11![[Web]5 类和对象](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/c9f0ce188c5c4b51b6ad31345ffd2ce3~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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=7MUgi3GeKQgVymgVrxvlixqf1j4%3D)
App04:28![[Web]6 new运算符](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/025444f6022b406ca6bf1c2c0c89ee56~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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=gkg2JfNCrK0f%2BCRTf%2BWTcr97i5w%3D)
App07:28![[Web]7 构造函数及静态成员](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/fc72a6b3c6a443eba10bd594ae1d4005~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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=tM2CmWIn0j%2F2XEcrJi52LUUXrhw%3D)
App08:09![[Web]8 构造函数性能问题](http://p3-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=Lu2SFEI%2BixcGUD%2BG9uvFMJCFkjc%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=HGXZbq19JZ4hhclmbzN1dJNgAwI%3D)
App11:50![[Web]10 三者关系](http://p26-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=JOx7Jla8V47MtWVHumTLFZCJkls%3D)
App04:49![[Web]11 工厂模式对比构造函数](http://p3-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=zGkaXgTKGseaDYOnp6rHrZEfNW4%3D)
App04:41![[Web]12 原型链](http://p3-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=sQ0PPtjoKmqQaJpfPu2uhKykqfk%3D)
App06:27![[Web]13 call、apply、bind](http://p26-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=BWesgA9Tvz%2BlXbmzl9Twz5k7Z7I%3D)
App04:24![[Web]14 继承](http://p3-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=yPwXXxRuXAYs5CrfunEqdEVSgS8%3D)
App05:49![[Web]15 原型继承](http://p26-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=KsjLPiwa00mB560Pm8FlQwvA6Kg%3D)
App03:36![[Web]16 传值和传址](http://p26-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=Px4UgqVyc2Urbo20qDWy4T8%2FhFU%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=MBk9FkZY0rr7QSMOQxhJ5VxD1Hk%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=PXGr42hOqlsKiGmN6wQGXDUOaaQ%3D)
App03:07![[Web]19.0 （面向对象基础一）](http://p3-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=iyoLgsh6RRvPx1%2BGqqedl3Z4D2o%3D)
App24:51![[Web]19.1 （面向对象基础一）](http://p3-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=Sryr1cpR1J1hZKR5oLaDK5ygUE0%3D)
App27:43![[Web]19.2 （面向对象基础一）](http://p3-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=um50EYR8XIeZUCvHDeYcDshs1So%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=xWO3eyVrBl2BBOLVc3666%2BTSo7Y%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=Szq2OwVwEMvBFism0ZIMq%2FtzdIM%3D)
App31:12![[Web]19.5 （面向对象基础一）](http://p3-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=HJQkPEhW1RYXl40m1biq4d74DxM%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=1DVqiuKgqZlpmpauJGuCxBtU2Do%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=kROhvWfUSkDShrCjDNEBbElnfjs%3D)
App19:55![[Web]20.2 （面向对象基础二）](http://p26-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=gnfsqamCGPeb4f6godoUZYYrwnY%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=aJLAfF7puC39VARlyh671fdUGSY%3D)
App19:36![[Web]20.4 （面向对象基础二）](http://p26-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=nYpzTj6RvlmyVVEy6S5BIjhx%2FNs%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=r4ybqxFCM762CJx3oA2sZLD4rtM%3D)
App17:58![[Web]20.6 （面向对象基础二）](http://p26-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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=czLFD2lr7RNXWQKSGEzMqB0%2Bzt4%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=20250124093012696CBBC6DB5B168730A4&requestFrom=704&version_code=80402&x-expires=1769218212&x-signature=1FKLhmwmi5I4zeKd4%2BxgQQBGH2Y%3D)
App24:56
