摘要: let a = [1,2,3,4] let b = Math.max(...a) let c = Math.min(...a) console.log(b,c) 阅读全文
posted @ 2020-10-09 09:17 yw3692582 阅读(1497) 评论(0) 推荐(0)
摘要: 1 //先安装依赖 2 npm install --save xlsx file-saver 3 4 //在要导出的vue组件中的script引入 5 import FileSaver from "file-saver" 6 import XLSX from "xlsx" 7 8 9 exportE 阅读全文
posted @ 2020-09-29 17:12 yw3692582 阅读(2249) 评论(0) 推荐(0)
摘要: 1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title></title> 6 </head> 7 <body> 8 <!-- 这几种数据格式都可以用for循环来遍历,for...of也都可以遍历绝大多数的数据结构 - 阅读全文
posted @ 2020-09-22 11:18 yw3692582 阅读(5831) 评论(0) 推荐(0)
摘要: 1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title></title> 6 </head> 7 <body> 8 <script type="text/javascript"> 9 10 // Set数据结构是es 阅读全文
posted @ 2020-09-22 10:41 yw3692582 阅读(626) 评论(0) 推荐(0)
摘要: 1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title></title> 6 </head> 7 <body> 8 <script type="text/javascript"> 9 let arr = [1,2,3 阅读全文
posted @ 2020-09-22 09:36 yw3692582 阅读(656) 评论(0) 推荐(0)
摘要: 1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>Vue-Computed计算属性</title> 6 <script src="https://cdn.bootcdn.net/ajax/libs/vue/2. 阅读全文
posted @ 2020-09-21 17:41 yw3692582 阅读(9338) 评论(0) 推荐(0)
摘要: 1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>Vue-Computed计算属性</title> 6 <script src="https://cdn.bootcdn.net/ajax/libs/vue/2. 阅读全文
posted @ 2020-09-21 17:26 yw3692582 阅读(2501) 评论(0) 推荐(0)
摘要: 1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title></title> 6 </head> 7 <body> 8 <script type="text/javascript"> 9 // 根据对象某个属性的值来获取 阅读全文
posted @ 2020-09-08 22:12 yw3692582 阅读(11851) 评论(0) 推荐(0)
摘要: 1 let width = document.body.clientWidth //浏览器宽度 2 let height= document.body.clientHeight //浏览器高度 3 4 //电脑分辨率 5 let cHeight = screen.height 6 let cWidt 阅读全文
posted @ 2020-08-28 16:17 yw3692582 阅读(212) 评论(0) 推荐(0)
摘要: 1 <!DOCTYPE html> 2 <html lang="en"> 3 <head> 4 <meta charset="UTF-8" /> 5 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> 6 <!-- 引入样 阅读全文
posted @ 2020-08-16 14:20 yw3692582 阅读(400) 评论(0) 推荐(0)