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[Web]20.4 （面向对象基础二）
【web前端工程师】39/341
![[Web]20.3 （面向对象基础二）](http://p26-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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=E91uJCbLkxsK4Vyl6ueI92ssCto%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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=2os9LYWGfzXkSYH2GvGxFrboDj8%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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=smiAoeigfO3KKArjPciBmATi%2FRQ%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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=p8DlGlWjB98NsoB7vmisLpsUBvc%3D)
App14:35![[Web]21.0 （组件封装）](http://p3-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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=ET9vqXBt%2FJY%2FV7KFEcGOLSTFNHs%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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=VwX2OEwZEyGJ686ZdvYoR5aCZVg%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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=8WLXlxsmRaoANzT2FpVzGm3FUf8%3D)
App12:19![[Web]21.3 （组件封装）](http://p3-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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=8J1BaC64%2Bx6YFnNGHlhdq1m1Kx0%3D)
App15:28![[Web]21.4 （组件封装）](http://p26-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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=%2BdNRGUhYykIqfITKKMitAkmd8f8%3D)
App15:44![[Web]21.5 （组件封装）](http://p26-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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=T9GtjfIlHbGmfPAuf417PMr5Zoo%3D)
App25:26![[Web]21.6 （组件封装）](http://p26-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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=%2BMUZFJI6mfqHuj6LPq4fozXLWoM%3D)
App15:35![[Web]21.7 （组件封装）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/dcaca1112f8e4c15a89db533114bbd40~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=NDTDbVk8kcOhiPUo6GmXIrD%2BW%2Bs%3D)
App16:05![[Web]22.0 （JQ核心功能实现）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/5fd98dfbaab84d0fa51cef465dc932c9~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=0cMTLUdQRGTNW%2B%2BAL4xzUCIqOoU%3D)
App17:52![[Web]22.1 （JQ核心功能实现）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/b2cf7169d0074f79af20e31a95f3f1cd~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=NrxyAYoy7%2BOEN7YIVzo%2FyXL4cvY%3D)
App17:27![[Web]22.2 （JQ核心功能实现）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/b28b1b2a5e85401b8419305588fada8e~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=9cCXHxEkiUiZBfSMgkKla95vPtA%3D)
App17:25![[Web]22.3 （JQ核心功能实现）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/19e6e62cafa54e76b9ca5de482368af1~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=d%2Ber98cUNxOV%2BuLLMhiSYTULuck%3D)
App14:19![[Web]22.4 （JQ核心功能实现）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/d55245f3c01d418baf021fb94d818edd~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=Q%2F98ndkXCSfPpNko7n0aVNoJniY%3D)
App18:40![[Web]22.5 （JQ核心功能实现）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/f33a82b738804effbc801c9ba69b919c~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=MzEi%2FyLWB%2B1HQw4UJ7%2BqxQfDlQ0%3D)
App25:01![[Web]22.6 （JQ核心功能实现）](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/64f46fea36be4425b2b956c642b502b3~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=4EagUQ%2BnsAQj640QY4l8PakxYs8%3D)
App18:47![[Web]22.7 （JQ核心功能实现）](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/2769aa5b8b7d4f6eab418c1646965816~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=NV%2Bj7PM8mtRXCPqC4BE0mvWov1g%3D)
App11:14![[Web]23. 游戏介绍](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/1e19361d03ed46c4a66fcca8abc2aed0~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=4SqEBdyhGLpKkKg9J0EWSurAjGk%3D)
App13:03![[Web]24 map类实现](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/b94b885c0c8544e6a88de2e06773ba5a~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=rCQ%2BZGh%2BkUX2JdqAmKTTJ9m2bQc%3D)
App09:09![[Web]25 food](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/c6ed37655f8f4a74a088b73570910679~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=fGPMgp5K1%2BY4zlJsyXZO%2B%2Bkgxk8%3D)
App09:09![[Web]26 蛇的初始与移动](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/122defc7cbcd43839a6af3e190459a6a~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=Y52Ww%2FDow3xVy%2FVATlctmk1tzl8%3D)
App13:31![[Web]27 蛇的方向移动](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/ab3a2ec78c0c47cd94de3afa2bbf4f76~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=tO6p6nC2G2gbwk6udtQUaWw0TBk%3D)
App05:25![[Web]28 game类初始](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/5786d4c73e884c9c8fd52541d6d6aa54~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=prN0l2OKgryTC4ZddJHEzWoPvgM%3D)
App15:35![[Web]29 方向控制](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/aa7bb1ba5d2e4fdd943629db23799f23~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=VPuBiy3ddNcs8pbmzRGXgvjmsYc%3D)
App12:54![[Web]30 检测吃食物](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/015cedac7de541d29d95df724bd2fc6b~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=3ZBATw50tiBtkGIpkm40MXCv%2FEk%3D)
App14:51![[Web]31 功能完结](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/6dcd621f6aca4c9db41f4152f0fb24a4~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=zXNeAPgE9NXJLbPW5BXV1fYz%2B5U%3D)
App11:47![[Web]32 -总结](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/b0b6dd94c63741f49c82fed18923d61f~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=1nTRcscWh9akV6b75gPbNasdKOw%3D)
App26:59![[Web]33 为什么要学习正则](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/2b8b648453a841a996405b811525fe04~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=20250203123241784C7D0AA852ADF3792B&requestFrom=704&version_code=80402&x-expires=1770093162&x-signature=AJGmtTodsbQfN5Bt%2BjslCrVYsA4%3D)
App09:17
