Uncaught syntaxerror unexpected token react. html I'm new to ReactJS.

Uncaught syntaxerror unexpected token react 5 + React ) it was happen on pages with 2nd or more nested level of pages. 7ced8661. parse error: SyntaxError: Unexpected token ' in JSON at position 1. setState({this. Static routes work just fine. Still I'm not able to explain the exact reason for that. 查看报错原因 4. js'. Mar 13, 2017 · main. "jquery Uncaught Jan 4, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. React Unexpected Token < 2. 3. Dec 3, 2021 · React Uncaught SyntaxError: Unexpected token. 10; Then, specify: Operating system: Windows Server 2008 Aug 25, 2016 · React Uncaught SyntaxError: Unexpected token. 6396d38a. the value given for the JSON. 6f259c1b. Modified 8 years, Uncaught SyntaxError: Unexpected token < with React. 1a4953075f808eb6a767. Uncaught SyntaxError: Unexpected token '<' #2912. js (which is the mounting point of react) for the jsx Jul 14, 2023 · React Js: Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0 Load 2 more related questions Show fewer related questions 0 May 20, 2021 · Uncaught SyntaxError: expected expression, got '< with react Hot Network Questions Which regression to use for count outcome after PSM and to properly interpret it? May 30, 2017 · Thanks! This was it I was following a tutorial from an older project. Any idea? I asked my brother about his chrome version, his device, his setup, the steps to reproduce but no luck. I'm guessing you were trying to do something like what is mentioned in this question: ReactJS: "Uncaught SyntaxError: Unexpected token <". Viewed 229 times Oct 12, 2019 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Webpack - Uncaught SyntaxError: Unexpected token import. ReactJS - JSON. I’m not sure how to resolve them, and I’d appreciate any guidance or suggestions. Javascript react Uncaught SyntaxError: Unexpected token Jan 12, 2022 · I am trying to make a React project without Node and I am calling a JS file from a HTML file. this. However, when I refresh the page, the website works perfectly fine. webpack/babel/react Feb 18, 2017 · React & firebase- uncaught TypeError: Cannot read property 'setState' of undefined. 3 How to get rid of "Uncaught SyntaxError: Unexpected Mar 2, 2025 · Hi Shopify Community, I’m encountering some errors and warnings in the Chrome Developer Tools console while working on my Shopify store. A missing closing quote of a string literal. This error typically occurs when there is an issue with the way you are importing or using React components in your code. 0 SyntaxError: Unexpected token < in React. jsx or . ca81c833. Here is the HTML page of one of my React apps. For starters I set up a local development environment and used sublime text as editor and started building small components. Please help me, whether i have missed anything in this. javascript Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. json: { &quot;name&quot;: &quot;frontend&quot;, &quot;version&quot;: &quot;0. 6. Modified 5 years, 3 months ago. js:1. js:1 Uncaught SyntaxError: Unexpected token "<" main. js. Jun 14, 2017 · Solution: use middleware "app. Uncaught SyntaxError: Unexpected token < with React. App. Learn how to address and resolve the common 'Uncaught SyntaxError: Unexpected token: ' error encountered in React applications. chunk. I am currently stuck on a loading screen, I am getting the following error, Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0 Jul 19, 2020 · React App not resolving fetch route: Unhandled Rejection (SyntaxError): Unexpected token < in JSON at position 0. js". This is the option that you can do: Mar 4, 2025 · ReactJS 中常见的 SyntaxError: Unexpected token 错误及其解决方法. Aug 16, 2020 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Other html I put in the template file gets rendered except the reactjs bundle. You are using JSX syntax (e. But on my production server it doesn't matter which web server I use (Nginx or Apache2 or I ran into similar issue when using react-router with paths like "user/:userid". Jan 24, 2019 · When I deploy without changing any default settings, I will get this "Uncaught SyntaxError: Unexpected token <" error and nothing shows up on the screen. After setting up Webpack and Babel, I can add entries to the database but not retrieve entries. ---Disclaimer/Disclosure - Po shows the error in the title. js file from the utils folder. Oct 6, 2016 · Uncaught SyntaxError: Unexpected token import at main. However, any apps where the JS file contains React does not load in the browser. js file import React, { Component } from &quot;react&quot;; import { render } from &quot; Feb 4, 2019 · After struggling a lot, I found out that it is caused by the browser cache. I have a very basic code that throws "Uncaught SyntaxError: Unexpected token <". Nov 11, 2015 · Just started my ReactJS and stuck at my very first try. Aug 7, 2019 · React Uncaught SyntaxError: Unexpected token. 报错截图 3. Mar 8, 2021 · I am fairly new to react, I am developing a component that will get data from a local JSON file and output it on to a table component. Identify and resolve configuration & code issues with ease. Nov 3, 2021 · My package. Nov 15, 2016 · React JS app - Uncaught SyntaxError: Unexpected token < [duplicate] Ask Question Asked 8 years, ReactJS: "Uncaught SyntaxError: Unexpected token <" (13 answers) Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Oct 6, 2015 · Uncaught SyntaxError: Unexpected token < in react-router with trailing slash in the end. html 而其实际的内容是 出现这个现象的原因是我在nginx中设置了 也就 Oct 20, 2021 · 1. js:1 My route Mar 6, 2018 · However the problem is when i go to localhost:8000 I get Uncaught SyntaxError: Unexpected token < exception when I open the console in chrome devtools. js over localhost:3001. parse I believe the issue is that I am pulling a web token and the user data at once. So for nested pages become broken. g. 分析原因 这里肯定不可能是错误的，依次向下查找； head 标签里边的 meta title script 等都是常规，没有多余的 ‘<’，没有报错； body 标签中 script 的 app. Instead, when I open up the console I receive this message, "Uncaught SyntaxError: Unexpected token '<' ". Aug 17, 2022 · React Js: Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0 0 Unhandled Rejection (SyntaxError): Unexpected token < in JSON at position 0 React Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 1. Here’s what I’m seeing: 1. However I will mention here how to clear cache on Google Chrome. sol file. and I did . Jul 1, 2018 · Uncaught SyntaxError: Unexpected token < #4718. Per other SO responses, here are some things I've tried: The issue Unexpected token '<' is because of missing the babel Uncaught SyntaxError: Unexpected token < with React. 5; npm -v: 3. worker. Sep 29, 2017 · My app was working perfectly fine just before i installed simple-react-bootstrap After installing it is now showing blank page and in console it's showing error: Uncaught SyntaxError: Unexpected Dec 28, 2018 · How to fix babel react "Uncaught SyntaxError: Unexpected token <" 3. In most default configurations, this should be OK but your web pack configuration might have been changed to only process . Nov 13, 2023 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Sep 13, 2018 · Uncaught SyntaxError: Unexpected token < I've seen that there are several posts of this error, but I was not albe to fix the issue following those links. Sep 18, 2021 · I have React website where routing was done with react-router-dom and with localhost everything works fine. Aug 24, 2022 · I have a simple middleware setup that checks if the user is logged in using a boolean from the zustand store, and redirect the user to the login page accordingly. Ask Question Asked 5 years, 4 months ago. fa04b6. static('. React is a widely used JavaScript library for creating user Sep 16, 2021 · 问题描述 前端部署好项目后，打开相应的页面显示一片空白，打开console显示 问题排查思路 理解问题的本质 出现这个错误的原因是浏览器期望得到js文件，但页面却返回了html文件，如图中的js文件点击进去却得到index. js:1 which is generated by the react build. it still happens sometime and i restart computer all works, clearing cache don;t help. <FaFacebook />) within a js file. I'm trying out the code from egghead. js file throws error` Uncaught SyntaxError: Unexpected token &lt; ` I've been following the Sep 10, 2022 · Uncaught SyntaxError: Unexpected token '<' React Hot Network Questions Precision amplitude measurement of "high" speed load cell signal Mar 11, 2022 · Webpack 4, babel 7, react, typescript: Unexpected token, expected "," Hot Network Questions Connection Between Purim & Tisha B'av's "Simcha Lashon" Jul 16, 2017 · So I have these file and folder. js 的静态资源文件路径错误！ Apr 8, 2023 · Any app I've created with vanilla JS I can upload along with the HTML and CSS files and it works fine. May 17, 2016 · create-react-app Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0 0 Fetch API calls fail after implementing catch-all express routing solution: Unexpected token < in JSON at position 0 Feb 12, 2018 · Uncaught SyntaxError: Unexpected token < reactjs react-pdf. react-boilerplate / react-boilerplate Public template. React Unexpected Token < 3. But looks like the issue was in node itself. jsx. js In list. They said that maybe it's all about cache problem. ID: null}); and I got back a SyntaxError Mar 27, 2015 · I'm working on a react project and trying to display a dialog with react-bootstrap. Sep 19, 2017 · I started learning REACT. 8b78c8f8. Ask Question Asked 7 years, 11 months ago. The problem was solved after clearing browser cache on Chrome. Try renaming the . This was as per the docs import { Jul 28, 2020 · I would like to know how to solve the following error: Uncaught SyntaxError: Unexpected token '!' The corresponding line is: return new !(function webpackMissingModule() { var e = new Error(&quot; Mar 20, 2018 · However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". Here is the source code: package. /list'; And in A Apr 13, 2023 · React Js: Uncaught (in promise) SyntaxError: Unexpected token < in JSON at position 0 1 React Uncaught SyntaxError: Unexpected token Uncaught SyntaxError: Unexpected token "<" 2. I read some topics on stackoverflow too. Uncaught SyntaxError: Unexpected token Sep 1, 2019 · How to fix babel react "Uncaught SyntaxError: Unexpected token <" 3. use(express. React Uncaught SyntaxError: Unexpected token. io and I keep getting the following error: Uncaught SyntaxError: Unexpected token import I have loaded babel twice now and have followed a What file and line number are the errors reported on? How are you launching the app? If you're using the dev server, have you confirmed that the URL in the browser's address bar points to it? Uncaught SyntaxError: Unexpected token < in React JS. I get the errors: Uncaught SyntaxError: Unexpected token '&lt;' Feb 4, 2023 · i want to show the button in the sidebar with name and a icon. I have gotten as far as to have it serve the compiled client. Open arch1995 opened this issue May 5, 2020 · 2 comments. 报错截图 3. I don't understand why I keep getting a s Jun 19, 2016 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Jul 20, 2017 · I am new to react. I just copied a working react-bootstrap snippet in a js file but it's not working for me, I'm having Uncaught HTML ReactJS：“未捕获的 SyntaxError：意外的 token <” 在本文中，我们将介绍HTML和ReactJS中常见的错误之一，即“未捕获的SyntaxError：意外的token <”。我们将深入研究这个错误的原因以及如何解决它。 阅读更多：HTML 教程 1. 0&quot;, &quot;private&quot;: true, &quot;engines&quot;: { &quot;node&quot Mar 2, 2023 · The parameter for the JSON. A simplified version of server/index. i was looping through the categories. Explore Teams Mar 15, 2017 · I have a react app and Im trying to create a dynamic form using react-jsonschema-form, I have the below index. May 13, 2023 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. 9345ebBe. Apr 15, 2021 · 1. Now I want to move onto ASP. But when I try to include the Jan 3, 2020 · I am building a CRUD web application using Webpack, Express, Epilogue, Sequelize, Sqlite3 and React. js file to be . My newer React projects worked fine so it was the older outdated webpack. Failed to construct 'Comment. 报错提示 Uncaught SyntaxError: Unexpected token '<' 2. 分析原因 这里肯定不可能是错误的，依次向下查找； head 标签里边的 meta title script 等都是常规，没有多余的 ‘<’，没有报错； body 标签中 script 的 app. Fetch in React Uncaught (in promise) 4. I am just trying to make a simple example to learn. Javascript react Uncaught Jun 1, 2023 · The uncaught syntaxerror unexpected token reactjs usually happens when you’re working with React. And the response for that file is an HTML of my index. Adding the base tag in front of my resource URLs fixed it. later i faced same issue with new package and just restarted computer and all worked. Uncaught SyntaxError: Unexpected token < bundle. Components that are in the nested are late to read. It happened to me while I was parsing the Compiled solidity code from an xyz. The file got loaded, I got the File variable data. Feb 4, 2020 · To replicate the error, all you have to do is create a new react app using create-react-app, install stockfish and add the above line. parse is undefined)!. net MVC I followe ReactJSで「Unexpected token '<'」というエラーが発生した場合、多くの場合、JSXシンタックスの誤りが原因です。JSXはJavaScriptの中にHTMLのような構造を記述できるReactの仕組みですが、JavaScriptの文法とは異なる部分があるため、注意が必要です。 一般的なエラー例 Apr 26, 2020 · I am creating React web app from two folders and the dynamic routes within the app return these errors. 查看报错原因 4. state. I put a debugger in the a function in a component. Apr 18, 2015 · Unexpected token "<" in this case comes from a nested path. js, which contain this fix, is: May 26, 2020 · VM4135:1 Uncaught SyntaxError: Unexpected token o in JSON at position 1 at JSON. js I have export UserList from '. React. Jan 23, 2015 · However, when I tried to put my JS in a separate file, I started getting this error: "Uncaught SyntaxError: Unexpected token <". 10. Uncaught SyntaxError: Unexpected token < occurring when deploying. config I was using. Provide details and share your research! But avoid …. js:1 Uncaught SyntaxError: Unexpected token < main. I'm very puzzled why // require(''); is needed in components. js:1 Uncaught SyntaxError: Unexpected token < Nov 20, 2020 · 错误日志 React中的——“ Uncaught SyntaxError: Unexpected token ‘＜‘ ”报错 之前也有被这个错误困扰,直到百度了才发现 其实这个算不上什么错误，只是我们在script标签中少写了文档声明： React 中使用的是 JSX语法(JavaScript XM Dec 30, 2020 · Uncaught SyntaxError: Unexpected token '<' while deploying create react app to firebase hosting 4 Getting blank page when React App is deployed and hosted by firebase Jul 13, 2022 · React: Uncaught SyntaxError: Unexpected token < in JSON at position 0. tsx files as JSX. json. js:1 Due to these files being minified, I'm not sure where to begin in debugging them. Asking for help, clarification, or responding to other answers. e. I tried to pass it is as a File to a Document file property, tried it to convert to base64 string, but always got the error: Uncaught SyntaxError: Unexpected Sep 16, 2018 · Uncaught SyntaxError: Unexpected token < It disappears once I refresh the page. js SyntaxError: Unexpected token < 0 Jan 27, 2020 · I'm creating a project starting from the register components using react &amp; firebase, I have installed firebase-tools and I've connected my app to the firebase cloud from the web using the appro Dec 4, 2018 · i am trying to serve a build from create-react-app with nodejs + express when accessing the site on the first render every thing works fine but when i am trying to reload the page lets say on thi Apr 11, 2019 · In my case ( Webpack v. Jun 16, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand May 20, 2017 · Uncaught SyntaxError: Unexpected token import. Sep 9, 2023 · If you have been working with ReactJS, you might have encountered the error message “Uncaught SyntaxError: Unexpected token <“. js list. I have a form component where I want to display the selected pdf file. Oct 22, 2019 · Uncaught SyntaxError: Unexpected token '!' reactjs mainchunk. thank you, that did the trick. Uncaught SyntaxError: Unexpected token ';' This err Nov 21, 2022 · When you run npm run build, Create React App will substitute %PUBLIC_URL% with a correct absolute path so your project works even if you use client-side routing or host it at a non-root URL. then storing them in local storage, but since there is nothing in local storage since this is a fresh boot, it's looking for the token that isn't there? Sep 2, 2019 · Uncaught SyntaxError: Unexpected token < in the file main. 1. jsx : 1. 在使用 ReactJS 进行开发时，经常会遇到各种语法错误。其中，“SyntaxError: Unexpected token” 是一个非常常见的问题，特别是在处理 JSX 代码时。本文将详细介绍这一错误的常见原因，并提供多种解决方案。 Jan 24, 2019 · Uncaught SyntaxError: Unexpected token < 1. This can be caused by various factors, including incorrect syntax, missing or misplaced brackets, or unsupported language features. DOM */ to the top of the JS file, but it didn't fix anything. Explore Teams Sep 27, 2024 · function SubmitButton(){ return ( <button>Submit</button> ); } Newbie here, trying to make a dropdown for user to select a year and hit Submit. Jan 7, 2016 · I'm using browserify-rails + babelify to transpile jsx in a react + rails project. Apr 14, 2023 · (react uncaught syntaxerror: unexpected token <) Fix the common Uncaught SyntaxError: Unexpected Token < in React with our step-by-step guide. 3; node -v: v6. However, you haven't provided enough context for us to help with that or your motivation for doing so. index. I've done some debugging and I found out that there are two libraries which causes that issue: Aug 26, 2024 · Thanks, I have removed the package and using react-colorfull package now. How do I solve this Syntax error: Unexpected token (1:13)? 0. Nov 8, 2020 · I am using react with typescript and I cant get this to work. html I'm new to ReactJS. This has been asked before (for example ) but I can't find anything that applies to my situation. Here is the solution: Add homepage parameter to your package. Related questions. Sep 27, 2017 · I've been trying to deploy an app to pythonanywhere but the page is just blank, because main. parse may be returning nothing (i. Feb 6, 2016 · react - Uncaught SyntaxError: Unexpected token < Ask Question Asked 8 years, 7 months ago. Oct 24, 2019 · Meteor+React Uncaught SyntaxError: Unexpected token '<' Ask Question Asked 5 years, 3 months ago. json webpack + babel - react, unexpected token 'import' 0. 0. Closed Rodrigo77777 opened this issue Jul 2, Expected it to open the React App as it does in development mode. categories was imported from the constants. Mar 13, 2016 · I have a webpack-dev-server running that compiles and serves some Babel/React code. html. Run these commands in the project folder and fill in their results: npm ls react-scripts (if you haven’t ejected): react-scripts @0. js I have export default (props) =&gt; () In index. /index. I tried adding /** @jsx React. js modules/ user/ index. js 的静态资源文件路径错误！ Jan 31, 2022 · Alternatively, look at using React without JSX. For some reasons I am getting Uncaught SyntaxError: Nov 16, 2015 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Mar 2, 2024 · The "Uncaught SyntaxError: Unexpected token" exception occurs for multiple reasons: A missing or extra bracket, parenthesis or comma in your code. Jul 30, 2021 · Uncaught SyntaxError: Unexpected token '<' It seems that the current service worker is trying to get a cached chunk js file that is not available anymore. Ask Question Asked 7 years ago. All assets are included using relative path like sct=". but instead of that it Apr 29, 2021 · Ask questions, find answers and collaborate at work with Stack Overflow for Teams. May 21, 2023 · The React “Uncaught SyntaxError: Unexpected Token” error typically occurs when there is an unexpected character or token in your ReactJS code. /'));" to provide the location of the static resource file 'bundle. 9. Mar 12, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. js:1 Uncaught SyntaxError: Unexpected token < Environment. gxq bqmmf bujy kvxplvqe axpvsh hmscoz btysl ukyttuc vausp uantyjvv spsl mvqkjwwb rfly rfzky hfsge