import type { LoaderFunction } from '@remix-run/node'; import { defer } from '@remix-run/node'; import { Await, useLoaderData } from '@remix-run/react'; import { Suspense } from 'react'; function getComments(): Promise<string[]> { return new Promise((resolve) => setTimeout(()...
We can use theuseCallbackhook to fix this.useCallbackmemoizes the function that's passed in, so that a new function is only returned when one of the hook dependencies changes. 我们可以使用useCallback钩子来解决这个问题。useCallback会记住传入的函数,以便仅当挂钩依赖项之一发生更改时才返回新函数。
};export const stringify = (token) => { if (isString(token)) { return token; } if (isBlank(token)) { return String(token); } const ret = token.toString(); const newLineIndex = ret.indexOf('\n'); return (newLineIndex === -1) ? ret : ret.substring(0, newLineIndex); };e...
background?:string, borderWidth?:number 在render方法中,替换以下代码行: const { textLabel, textValue, size } = this.state;替换为: TypeScript const{ textLabel, textValue, size, background, borderWidth } =this.state; const style: React.CSSProperties = { width: size, height: size };替换为...
This module exports 4 stand-alone React component packages with identical interfaces:react-force-graph-2d,react-force-graph-3d,react-force-graph-vrandreact-force-graph-ar. Each can be used to represent a graph data structure in a 2 or 3-dimensional space using a force-directed iterative layout...
import React from "react"; import ReactDOM from "react-dom"; import MDEditor from '@uiw/react-md-editor'; import { getCodeString } from 'rehype-rewrite'; import katex from 'katex'; import 'katex/dist/katex.css'; const mdKaTeX = `This is to display the \`\$\$\c = \\pm\\sqrt...
name (string) 被分析的组件的名称。默认情况下,名称取自组件的 displayName 属性或组件的 name 属性。 includeRender (boolean) 是否应该由 Profiler 创建 react.render 跨度。默认设置为 true。 includeUpdates (boolean) react.update spans 是否应该由 Profiler 创建。默认设置为 true。对于将经历多次重新渲染的组...
String,token_endpoint:String,userinfo_endpoint:String,end_session_endpoint:String,revocation_endpoint:String,check_session_iframe:String,issuer:String,},refresh_time_before_tokens_expiration_in_second:Number,// default is 120 secondsservice_worker_relative_url:String,service_worker_keep_alive_path:String...
[content, setContent] = useState<string>('Hello world!'); useEffect(() => { if (!ref.current) return; //实例化引擎 const engine = new Engine(ref.current); //设置编辑器值 engine.setValue(content); //监听编辑器值改变事件 engine.on('change', () => { const value = engine.getValue...
String Boolean Symbol(new in ES2015) Object Function Array Date RegExp null undefined JS 需要注意的地方: 没有val 默认float console.log(3 / 2); // 1.5, not 1 console.log(Math.floor(3 / 2)); // 1 myFunction 不一定要定义在前面,method中定义的var,并不能在外部使用 ...