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[Solved] TypeError: Cannot read properties of undefined (reading ‘prototype’)

Hello Guys, How are you all? Hope You all Are Fine. Today I am trying to use express in my project But I am facing following error while running my project TypeError: Cannot read properties of undefined (reading ‘prototype’) in JavaScript. So Here I am Explain to you all the possible solutions here.

Without wasting your time, Let’s start This Article to Solve This Error.

How TypeError: Cannot read properties of undefined (reading ‘prototype’) Error Occurs ?

I am trying to use express in my project But I am facing following error while running my project.

TypeError: Cannot read properties of undefined (reading 'prototype')

How To Solve TypeError: Cannot read properties of undefined (reading ‘prototype’) Error ?

  1. How To Solve TypeError: Cannot read properties of undefined (reading ‘prototype’) Error ?

    To Solve TypeError: Cannot read properties of undefined (reading ‘prototype’) Error You Need to instantiate express in this way. And also app as well: const express = require(‘express’); const app = express(); Now, Your error must be solved.

  2. TypeError: Cannot read properties of undefined (reading ‘prototype’)

    To Solve TypeError: Cannot read properties of undefined (reading ‘prototype’) Error Just Use express like This: import response from { ‘express’ } Now, Your error may be solved.

Solution 1: Use This

Just Use express like This.

import response from {
 'express'
 }

Now, Your error may be solved.

Solution 2: instantiate express In this way

You Need to instantiate express in this way. And also app as well.

const express = require('express');
const app = express(); // Add This Also

Now, Your error must be solved.

Summary

It’s all About this issue. Hope all solution helped you a lot. Comment below Your thoughts and your queries. Also, Comment below which solution worked for you?

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