Zhentiw - 博客园

2022年7月15日

摘要： https://btholt.github.io/complete-intro-to-realtime/socketio https://btholt.github.io/complete-intro-to-realtime/intro-to-websockets Socket.io: FE: co 阅读全文

posted @ 2022-07-15 21:27 Zhentiw 阅读(37) 评论(0) 推荐(0)

[Node.js] HTTP2

摘要： https://btholt.github.io/complete-intro-to-realtime/intro-to-http2-push long-running HTTP call HTTP2 PUSH FE: async function getNewMsgs() { let reader 阅读全文

posted @ 2022-07-15 19:43 Zhentiw 阅读(56) 评论(0) 推荐(0)

[Node.js] Polling

摘要： Polling with setTimeout async function getNewMsgs() { let json; try { const res = await fetch("/poll"); json = await res.json(); } catch (e) { // back 阅读全文

posted @ 2022-07-15 19:10 Zhentiw 阅读(122) 评论(0) 推荐(0)

[Typescript] Type JQuery

摘要： const $: any = {} /** * Get the <button> element with the class 'continue' * and change its HTML to 'Next Step...' */ $("button.continue").html("Next 阅读全文

posted @ 2022-07-15 15:56 Zhentiw 阅读(38) 评论(0) 推荐(0)

2022年7月13日

[Typescript] Make Typescript Stick

摘要： Refer: https://www.cnblogs.com/Answer1215/p/15084496.html A string is a primitive value, and all primitive values are immutable. Q1: const a = "Fronte 阅读全文

posted @ 2022-07-13 18:53 Zhentiw 阅读(228) 评论(0) 推荐(0)

[TypeScript] Model a DataStore type

摘要： Given this code as starter: export interface DataEntity { id: string } export interface Movie extends DataEntity { director: string } export interface 阅读全文

posted @ 2022-07-13 18:52 Zhentiw 阅读(37) 评论(0) 推荐(0)

[Typescript] Checked index access

摘要： Problem when typing Dictionaries: type Dict<T> = { [K: string]: T } const d: Dict<string[]> = {} d.rhubarb.join(", ") // 💥 Even `d.rhubarb` is undefi 阅读全文

posted @ 2022-07-13 17:57 Zhentiw 阅读(31) 评论(0) 推荐(0)

[Typescript] Key remapping in mapped types by using `as` keyword V4.2

摘要： Since TypeScript v4.2, we can do remapping by using `as` keyword type Colors = "red" | "green" | "blue" type ColorSelector = { [K in Colors as `select 阅读全文

posted @ 2022-07-13 17:48 Zhentiw 阅读(37) 评论(0) 推荐(0)

[Javascript] String in Javascript

摘要： String in Javascript is immutable. Means that once they were created, they cannot be modified. This also means that simple operations like appending a 阅读全文

posted @ 2022-07-13 01:16 Zhentiw 阅读(57) 评论(0) 推荐(0)

2022年7月12日

[TypesScript] Template literal types

摘要： type Statistics = { [K in `${"median" | "mean"}Value`]?: number } Mappiing a sub type: // let winFns: "setInterval" | "setTimeout" type winFns = Extra 阅读全文

posted @ 2022-07-12 14:53 Zhentiw 阅读(37) 评论(0) 推荐(0)

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