摘要: global.console.log('我是歌谣'); global.setTimeout(function() { console.log('123'); }, 2000) 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(44) 评论(0) 推荐(0)
摘要: global.console.log('我是歌谣'); global.setTimeout(function() { console.log('123'); }, 2000) 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(27) 评论(0) 推荐(0)
摘要: const fs = require('fs'); const promisify = require('util').promisify; const readFile = promisify(fs.readFile); async function run() { let r1 = await 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(23) 评论(0) 推荐(0)
摘要: async function p1() { return 'p1'; } async function p2() { return 'p2'; } async function p3() { return 'p3'; } async function run() { let r1 = await p 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(20) 评论(0) 推荐(0)
摘要: //只能出现再异步函数中 暂停异步函数得执行 async function fn() { throw '发生勒一些错误'; return 123; } //console.log(fn()) fn().then(function(data) { console.log(data); }).catch 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(22) 评论(0) 推荐(0)
摘要: const fs = require('fs'); /* fs.readFile('./1.txt', 'utf8', (err, result1) => { console.log(result1); fs.readFile('./2.txt', 'utf8', (err, result2) => 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(21) 评论(0) 推荐(0)
摘要: const fs = require('fs'); fs.readFile('./1.txt', 'utf8', (err, result1) => { console.log(result1); fs.readFile('./2.txt', 'utf8', (err, result2) => { 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(26) 评论(0) 推荐(0)
摘要: const fs = require('fs'); let promise = new Promise((resolve, reject) => { fs.readFile('./1.txt', 'utf8', (err, result) => { if (err != null) { reject 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(18) 评论(0) 推荐(0)
摘要: const fs = require('fs'); fs.readFile('./1.txt', 'utf8', (err, result1) => { console.log(result1); fs.readFile('./2.txt', 'utf8', (err, result2) => { 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(29) 评论(0) 推荐(0)
摘要: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document< 阅读全文
posted @ 2022-09-02 21:49 前端导师歌谣 阅读(45) 评论(0) 推荐(0)