随笔分类 - JS
简单的js练习
摘要：No.1 var arr = [{ label: '男', value: 1 }, { label: '女', value: 0 }] function f(arr) { // 写代码，得到 const obj = {} arr.forEach((item) => { obj[item.value]
JavaScript --- 随机点名抽奖系统
摘要：1 <!DOCTYPE html> 2 <html lang="en"> 3 4 <head> 5 <meta charset="UTF-8"> 6 <meta http-equiv="X-UA-Compatible" content="IE=edge"> 7 <meta name="viewpor
