Category "jsx"

Uncaught TypeError: inputArgs[0].match is not a function

I am starting to learn to react with REST Countries API. I have to face the error "Uncaught TypeError: inputArgs[0].match is not a function" in console. also, c

eCSSTractor for VSCode plugin not worked with className

eCSSTractor does not work with react jsx syntax. doesn't translate "className" elements in css. In setting.JSON written rule - "ecsstractor_port.attributes"

How to use componentWillMount() in React Hooks?

In the official docs of React it mentions - If you’re familiar with React class lifecycle methods, you can think of useEffect Hook as componentDid

Customize code folding for .js and .jsx files in vscode to achieve folding of className='...'

I am looking to fold the className attribute in my react app, as I am using tailwindcss and thus the classNames get quite long, cluttering my files. I've come a

"ReferenceError: Must call super..." when passing raw JSX arg to super in derived class

Trying to run the following in a React app gives the ReferenceError (below). Why? I'm calling super(). Is the JSX somehow "accessing 'this'"? class Base { con

Fit parent height for Table in Material UI?

I want the table height to fit the parent’s available height. Ideally, I want: The footer to always be docked at the bottom of the parent container. If t

MUI DatePicker hangs on big date changes

MUI DatePicker (either from Labs or X) was working fine. I cannot work out what happened, but it now hangs if I want to change the date by ten years. It seems l

Hot Reload is not working in my React App

I have created this app with npx create-react-app. After this i have deleted all the files except index.js in src folder. Then Hot reload is not working. I have

Ascii/HTML character code doesn't work within React variable

I have the ascii/html code of a checkmark: ✔ &#10004; In react if I go: <div>&#10004;</div> then it works. but if I go var str

React: Expected an assignment or function call and instead saw an expression

I am trying to fix this lint error at line const def = (props) => { in following sample code. const propTypes = { prop1: PropTypes.string, prop2: PropTypes.

React Native what exactly is the <> (empty) component

In React Native you can encapsulate a set of components in one single <View> (or similar) component. You can also encapsulate a set of components as <&