打开App
[Web]21.3 （组件封装）
【web前端工程师】45/341
![[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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=XAed1klBA1QyXB0e48r%2FSEOx1G4%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=v27jVJ0bbNbhoPN30cyfZ8AYoh4%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=BOH1MtN2rDJKQKBAVX196jpLkrU%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=FhxQaNlxx554f%2BrKpFbnNin3I7Y%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=hME5kjtL%2FWb%2BeOWJ2EtK27mkMck%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=rxkOF6eF7VIqTRoXtOowupKe1DY%3D)
App16:05![[Web]22.0 （JQ核心功能实现）](http://p26-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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=FCSxpjLMUW9zkmyx6Ab%2FGK7Kiwk%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=svUEE2RsQm0fZRJtzSHJNUX9qlc%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=w4T1ZieGuy4ZvldOD7KQQA1f2Ds%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=wxbqX9oE5EIRAS%2Ff4qdcT0b%2B0mM%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=a0hz3TirDAfHm1R117FGD4YtdNg%3D)
App18:40![[Web]22.5 （JQ核心功能实现）](http://p26-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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=UePhwIXtXKgxTqSfizr4XSfk3GY%3D)
App25:01![[Web]22.6 （JQ核心功能实现）](http://p26-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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=QPlLQrI%2BbgMkTai3DJ8%2BKDhLGcg%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=uA6UJ%2BethKpRFUZ045AXAItmX%2Fo%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=%2BiK%2FBGa%2FAoPYX1Hmnb8zjiZswVU%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=Tdf98OjTCqLzE%2BrHwQtpwJQJxxk%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=r9NRWGM3oDo3zXe6v8jgXcbhFUw%3D)
App09:09![[Web]26 蛇的初始与移动](http://p3-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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=ghmuGk9qSN9TdyNHM0XN5jH91%2Bc%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=MMIN2DXUu9HQ22bXZaBVcVhTn70%3D)
App05:25![[Web]28 game类初始](http://p3-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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=zat9dWNZVuEx5vZxUD%2FzBdtaSrA%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=KDWkKS3WMfc1%2F0nVTLUJM6g9O%2Bw%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=ckBq7qClU%2FecPCtYgO8aS1XsLso%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=%2FTGhQb1GVXe0sE84n0KvbT28eoc%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=K4sWWrvtb3BUo0Sb1zm6Qj1L1kY%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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=5p5BTNgMjvOoN2BUsEJQUgFkxqA%3D)
App09:17![[Web]34 正则表达式创建](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/3ea6b34fe92a4e559c64beb2166ad1bc~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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=Qg%2FchB88VZJrcOd9D5MILmm0r5w%3D)
App07:46![[Web]35 正则匹配方法](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/3e8261355fe540cba1aa98464575bf88~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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=QebXAtKA98tGsfrAiYBYo3JV0P4%3D)
App11:42![[Web]36 字符相关元字符](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/ec8dbc11e1ea428b917bc88823d3259c~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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=ioWBmme3fefD%2BPkJDihGbmwATHQ%3D)
App09:33![[Web]37 数量相关](http://p26-sign.bdxiguaimg.com/tos-cn-i-0004/2db899df34154431966faf20e93ab09a~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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=0R66bO5P%2Bh8JSQUsIS2q44apL2o%3D)
App08:36![[Web]38 位置相关](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/061ebc2eb9614cceab6aaa011506ace5~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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=UN922r5tXFDug1cKbJOc582Z1JY%3D)
App07:46![[Web]39 小括号使用](http://p3-sign.bdxiguaimg.com/tos-cn-i-0004/9950af27a14447088c0b804a4437f799~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=2025020309295385341A1720CDF8152E8F&requestFrom=704&version_code=80402&x-expires=1770082194&x-signature=AQo4jY%2FBbnxYtDBbrWOsx%2FxVbsI%3D)
App12:06打开App观看
