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React: TypeError: Cannot read property 'prototype' of undefined


React: TypeError: Cannot read property 'prototype' of undefined

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React: TypeError: Cannot read property 'prototype' of undefined
Tag : reactjs , By : user184975
Date : January 12 2021, 09:11 PM

help you fix your problem I am using react components and react-router-dom's Route, however importing {Route} from react-router-dom fails with error: - , Use your Route within Router.
So, import the router:
import { BrowserRouter as Router, Route} from 'react-router-dom'
class Main extends Component {
    render() {
        return (
        <Router>
            <Route exact path="/" render={() => (
                <div>
                    <h1>Home Page</h1>
                </div>
            )
            } />
        </Router>
        )
    }
}

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How to fix Uncaught TypeError: Cannot read property 'prototype' of undefined?


Tag : javascript , By : jumpingmattflash
Date : March 29 2020, 07:55 AM
this will help I fixed this bug. The problem was that I created Collection and then the Model. Collections use user model, as working unit, but when I defined this Collection, I did not define Model.
So, if you want to avoid this bug, firstly define a Model and only then define the Collection.

TypeError: Cannot read property 'prototype' of undefined


Tag : javascript , By : Kiltec
Date : March 29 2020, 07:55 AM
will help you I have an issue that I can't seem to resolve, mostly because I have little knowledge of why it is occurring in this particular scenario. Here's the error : , You forgot the new keyword. Try this:
var bot = new Twitter(init);

TypeError: Cannot read property 'prototype' of undefined using jest


Tag : angular , By : dummyadresse
Date : March 29 2020, 07:55 AM
wish helps you If you have completely migrated to Jest, you can just delete test.ts as it's not required anymore since you are not using Jasmine and Karma anymore. You can read here.
Also, make sure to remove its reference from tsconfig.spec.ts.
**Default configuration:** 
testMatch: [ "**/__tests__/**/*.[jt]s?(x)", "**/?(*.)+(spec|test).[jt]s?(x)" ]

**Change to:**
testMatch: [ "**/__tests__/**/*.[jt]s?(x)", "**/?(*.spec).[jt]s?(x)" ]

TypeError: Cannot read property 'prototype' of undefined React Express


Tag : node.js , By : MJRider
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I found the I have mistakenly typed
import response from { 'express' }

TypeError in Node REPL: Cannot read property '0' of undefined when I add a property to the Object.prototype


Tag : javascript , By : new Blackberry devel
Date : March 29 2020, 07:55 AM
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