I’ve created a js class that creates a div, and here it is: const root = document.querySelector(".root"); let app = class App { constructor(appName, iconSrc) { this.appName = appName; this.iconSrc = iconSrc; return ReactDOM.render( <div id={this.appName} class="app"> <img src={this.iconSrc}></img> <p>{this.appName}</p> </div>, root ); } }; then, I used it to create some examples to make ..
Category : react-dom
My dilemma: everything compiles correctly and the django server runs well; however, the developer tools reveal the same errors. NOTE: There are other similar posts on stack overflow and github; however, I have read through all of them and tried each of the suggested answers, to no avail! Here is a screenshot of my error: ..
I have a codesandbox example where we can open multiple external browser tabs. https://codesandbox.io/s/modest-goldwasser-q6lig?file=/src/App.js My question is, how we can share material ui components and styles into Expanded component? Source: Ask Javascript..
For a page that has mostly static HTML and a few dynamically rendered elements, is it best practice to render all HTML through React, or to leave the static HTML in an HTML file and only render targeted elements as needed with React? Here’s what I’m considering for the why, feedback welcome: All HTML in ..
First, I know that it is an anti-pattern in React to directly mutate properties of this.state, and one should use this.setState(). I am just curious about what will happen if I directly assign a new object to this.state and use this.forceUpdate() to re-render. Here is my code: let foo, bar; class Counter extends React.Component { ..
I am getting this error, While using these aliases. Can you help me? Thanks! Uncaught TypeError: Cannot set property ‘__h’ of null at hooks.module.js:1 at Array.forEach (<anonymous>) at x (hooks.module.js:1) (anonymous) @ hooks.module.js:1 x @ hooks.module.js:1 "preact": "^10.5.12" Webpack alias code! resolve: { alias: { "react": "preact/compat", "react-dom": "preact/compat" } } Source: Ask Javascript..
I’m learning TypeScript and I’m trying to add TypeScript into my pet project. In the ReactDOM.render function call I’m getting this error: No overload matches this call. The last overload gave the following error. Argument of type ‘BrowserRouter’ is not assignable to parameter of type ‘ReactElement<any, string | ((props: any) => ReactElement<any, any> | null) ..
Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object. Check the render method of App. App.js import React from ‘react’; //styling import ‘./App.css’; //components import Home from "./Home"; function App() { return ( <div className="App"> <div id="root"></div> <Home /> </div> ); } export default ..
I have used table component from Material UI and have filled it with my JSON data.But it is showing the error:-https://i.stack.imgur.com/jiCH6.png The table should get updated with new values when I scroll but it’s not happening. My React JS Code:- return ( <TableContainer component={Paper} > <Table className={classes.table} aria-label="simple table"> <TableHead> <TableRow> <TableCell>Dessert (100g serving)</TableCell> <TableCell ..
While trying to integrate HMR, getting an error. I have followed everything as per the docs but still not able to resolve the issue. Uncaught TypeError: Illegal invocation at HTMLUnknownElement.callCallback (react-dom.development.js:3945) at Object.invokeGuardedCallbackDev (react-dom.development.js:3994) at invokeGuardedCallback (react-dom.development.js:4056) at flushPassiveEffectsImpl (react-dom.development.js:23543) at unstable_runWithPriority (scheduler.development.js:646) at runWithPriority$1 (react-dom.development.js:11276) at flushPassiveEffects (react-dom.development.js:23447) at react-dom.development.js:23324 at workLoop (scheduler.development.js:590) at ..
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