Codepen react unexpected token. Hello, Someone can help me with this error in codePen: https://codepen. js:121 on my code on codepen, which causes it to abort execution, although it is working in Brackets & other editors and other peo Now 2 to 3 days back each of my react and d3 code pen stopped working for a day. ERROR in . /app/index. js Module parse failed: B:\Users\Chris\react-js\React-Fundamentals\app\index. i am just starting with Reactjs and was writing a simple component to display li tag and came across this error: Unexpected token '<' I have put the example at On Codepen, go to Settings -> JS -> JavaScript Preprocessor and select “Babel”. io/ALL9000/pen/rNJqjzQ?editors=0010 I keep having Uncaught SyntaxError: Unexpected token ( at pen. after ward the d3 projects started working in both full mode and editors mode . Example New replies are no longer allowed. However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". Now (without you having to do anything) the JSX will be converted to valid JS I'm trying to create a simple website using React, but for some reason it just displays a blank page. This doesn’t have any effect up until the point in the code that the How to Resolve “SyntaxError: Invalid or Unexpected Token” in JavaScript If you’ve ever encountered the “SyntaxError: Invalid or Unexpected Token” in JavaScript, My code works on my site, but not on CodePen. React - unexpected token, expected ; Asked 9 years, 1 month ago Modified 3 years, 1 month ago Viewed 143k times It looks more like Unexpected token < at position 0 In this case, it’s not that, and it’s (I assume) because React isn’t being loaded properly. The error that show up on the console log is Uncaught SyntaxError: Unexpected token '<' main import { useState } from 'react'; const Homepage = () => { return ( ); } export default Homepage; // please guys tell me where the problem stands . Im really confused //it says the problem stays at the second I am trying to get started building a site in ReactJS. When I tried copying the code from Visual Studio Code to CodePen, this error appears: Uncaught SyntaxError: Unexpected token '<' This is the link to answered Nov 21, 2020 at 4:54 Prathamesh 11 1 "jquery Uncaught SyntaxError: Unexpected token '&'" The "SyntaxError: Unexpected token" in JavaScript occurs when the code contains a character or symbol that the JavaScript engine does not expect, often due to a Error When Running React App on Github Pages - Uncaught SyntaxError: Unexpected token '<'. js Line 6: Unexpected token < You may need an appropriate loader to handle this file type. Hello, can anyone please tell me what the problem is here? The "Unexpected token '<'" error in React is a common hurdle for beginners, but it’s almost always caused by fixable issues with JSX syntax, file setup, or transpilation.
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