随笔分类 - 尚硅谷-promise

promise自定义封装

摘要：初始结构搭建： index.html: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1. 阅读全文

posted @ 2021-06-20 12:26 juham 阅读(277) 评论(0) 推荐(0)

promise关键问题

摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Promise关键阅读全文

posted @ 2021-06-20 11:17 juham 阅读(66) 评论(0) 推荐(0)

Promise的API-race

摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Promise A 阅读全文

posted @ 2021-06-19 23:12 juham 阅读(20) 评论(0) 推荐(0)

Promise的API-all

摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Promise A 阅读全文

posted @ 2021-06-19 23:09 juham 阅读(27) 评论(0) 推荐(0)

Promise.reject方法

摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Promise A 阅读全文

posted @ 2021-06-19 23:04 juham 阅读(220) 评论(0) 推荐(0)

Promise的API-resolve

摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Promise A 阅读全文

posted @ 2021-06-19 23:03 juham 阅读(53) 评论(0) 推荐(0)

Promise的API-构造函数-then-catch

摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Promise A 阅读全文

posted @ 2021-06-19 23:00 juham 阅读(45) 评论(0) 推荐(0)

promise工作流程

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posted @ 2021-06-19 22:57 juham 阅读(61) 评论(0) 推荐(0)

fs模块封装

摘要：* 封装一个函数 mineReadFile 读取文件内容 * 参数: path 文件路径 * 返回: promise 对象 */ function mineReadFile(path){ return new Promise((resolve, reject) => { //读取文件 require 阅读全文

posted @ 2021-06-19 22:37 juham 阅读(77) 评论(0) 推荐(0)

AJAX请求

摘要：<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Promise 封阅读全文

posted @ 2021-06-19 22:34 juham 阅读(21) 评论(0) 推荐(0)

fs模块

摘要：// const fs = require('fs'); //回调函数形式 // fs.readFile('./resource/content.txt', (err, data) => { // // 如果出错则抛出错误 // if(err) throw err; // //输出文件内容 // 阅读全文

posted @ 2021-06-19 22:29 juham 阅读(35) 评论(0) 推荐(0)

为什么要用promise

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posted @ 2021-05-15 23:03 juham 阅读(46) 评论(0) 推荐(0)

promise理解与使用

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posted @ 2021-05-15 21:55 juham 阅读(44) 评论(0) 推荐(0)

1.准备

摘要：函数对象与实例对象：同步与异步函数：阅读全文

posted @ 2021-05-15 21:45 juham 阅读(52) 评论(0) 推荐(0)