阿浩的前端笔记本

``` const vue = require('rollup-plugin-vue'); const ts = require('@rollup/plugin-typescript'); const

![image.png](https://p6-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/35c5a1525f704696a92d85aad5ff28a7~tplv

node实现Etag const app = require('express')() const fs = require('fs')

> ``` const clone = function (target) { if (typeof target === 'object' && target !== null) { const o

只有再属性注册事件时候，return false才有意义 也就是说 dom.onclick=functition(){return false }才有用 dom.addEventListener('c

> ```js function queue(cbs = []) { let res = Promise.resolve() cbs.forEach(n => { res = res.then(n)

``` const intervalLoading = (check) => { return new Promise((res, rej) => { let result; let nowTime;

``` var toast = (function () { var containerDom = document.getElementById("ahao-toast-container"); i

``` let a; // a 隐式的any，最好不要这样 a = 1; a = "1afafa"; // unknown 和 any区别 let c: number; let d: unknown;