Zhentiw - 博客园

2020年4月27日

摘要： Macro: refer to webapis, setTimeout, setInterval Micro: refer to Promise based api Execution order Sync Task > Micro Task > Macro Task Example: const 阅读全文

posted @ 2020-04-27 18:10 Zhentiw 阅读(144) 评论(0) 推荐(0)

[RxJS@7.0.0] AnimationFrames demo

摘要： import {defer, animationFrames, fromEvent} from 'rxjs' import { animationFrame } from 'rxjs/internal/scheduler/animationFrame' import {endWith, map, t 阅读全文

posted @ 2020-04-27 01:28 Zhentiw 阅读(290) 评论(0) 推荐(0)

[RxJS] defer() lazy evaluation

摘要： For example, we have following code: import { of, defer} from 'rxjs'; class Foo { private num = 123 onum = of(this.num); updateNum(val) { this.num = v 阅读全文

posted @ 2020-04-27 00:52 Zhentiw 阅读(346) 评论(0) 推荐(0)

2020年4月26日

[React] as component prop

摘要： Dynamiclly create DOM element based on the value: function PokemonCollection({ as: As = 'ul', renderItem }) { return ( <As>{initialCollection.read().r 阅读全文

posted @ 2020-04-26 02:29 Zhentiw 阅读(205) 评论(0) 推荐(0)

[Compose] Compose exercises

摘要： // Setup // const _ = R; const {formatMoney} = accounting; // Example Data const CARS = [ {name: "Ferrari FF", horsepower: 660, dollar_value: 700000, 阅读全文

posted @ 2020-04-26 02:06 Zhentiw 阅读(198) 评论(0) 推荐(0)

2020年4月25日

[HTML 5] Event Delegation and Dynamic Events

摘要： For example, we have a list of 'li', for each of them we want to attach event listener to it Bad approach: const app = document.getElementById('app'); 阅读全文

posted @ 2020-04-25 20:48 Zhentiw 阅读(169) 评论(0) 推荐(0)

[HTML 5] preventDefault() & defaultPrevented prop

摘要： const app = document.getElementById('app'); app.innerHTML = ` <h1>JavaScript DOM</h1> <form> <label> Sign-up Email <input type="email"> </label> <labe 阅读全文

posted @ 2020-04-25 20:35 Zhentiw 阅读(328) 评论(0) 推荐(0)

[HTML 5] stopPropagation & stopImmediatePropagation

摘要： const app = document.getElementById('app'); app.innerHTML = ` <h1>JavaScript DOM</h1> <div class="one"> <div class="two"> <button type="button" class= 阅读全文

posted @ 2020-04-25 20:30 Zhentiw 阅读(274) 评论(0) 推荐(0)

2020年4月24日

[React] Avoid Too Many Spinners with React SuspenseList’s tail Prop

摘要： tail is a customization prop for SuspenseList. It works in tandem with revealOrder and has three options: undefined, collapsed, and hidden. These opti 阅读全文

posted @ 2020-04-24 03:14 Zhentiw 阅读(146) 评论(0) 推荐(0)

[React] Avoid this Common Suspense Gotcha in by Reading Data From Components

摘要： Suspense can have an unfriendly learning curve.Components with suspended content need a component boundary.Resource reads can't happen in the same com 阅读全文

posted @ 2020-04-24 03:07 Zhentiw 阅读(168) 评论(0) 推荐(0)

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