随笔分类 -  JS/HTML/CSS/TS等前端底层

带有动画返回顶部
摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文
posted @ 2021-06-07 19:49 fk11 阅读(63) 评论(0) 推荐(0)
京东放大镜遮罩
摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文
posted @ 2021-06-06 14:04 fk11 阅读(39) 评论(0) 推荐(0)
添加删除留言板
摘要：textarea在一行，要不然光标不是定格 outline: none; onkeydown 检测输入 event.keyCode == 13 == (enter) event.ctrlKey == ctrl if (e.ctrlKey && e.keyCode == 13) 检测两个键位同时输入 阅读全文
posted @ 2021-06-04 09:41 fk11 阅读(66) 评论(0) 推荐(0)
排他思想
摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv 阅读全文
posted @ 2021-06-03 14:13 fk11 阅读(55) 评论(0) 推荐(0)
统计一个字符串中出现最多的字符和个数
摘要：<head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1 阅读全文
posted @ 2021-06-02 17:52 fk11 阅读(130) 评论(0) 推荐(0)
字符串转数组，数组转字符串
摘要：1、字符串转换为数组 var string = '123,456,789'; var stringResult = string.split(','); console.log(stringResult) //输出["123", "456", "789"] var string2 = 'abcdef 阅读全文
posted @ 2021-06-02 16:28 fk11 阅读(2484) 评论(0) 推荐(0)
京东秒杀简单实现
摘要：<head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1 阅读全文
posted @ 2021-06-02 13:43 fk11 阅读(171) 评论(0) 推荐(0)
滚动视差实现
摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文
posted @ 2021-06-02 09:45 fk11 阅读(61) 评论(0) 推荐(0)
简单的点名器
摘要：var arr = ['范德彪', '马大帅', '郭富城', '刘德华', '张学友', '林俊杰', '熊大', '熊二', '杯子', '卑鄙', '刘华强', '雪碧'] var recordTimer = {} var it; function btn() { clearInterval( 阅读全文
posted @ 2021-06-02 09:40 fk11 阅读(141) 评论(0) 推荐(0)