Javascript Articles

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Antonello Zanini Antonello Zanini
Updated on September 05, 2023

How To Fix the ‘ERR_OSSL_EVP_UNSUPPORTED’ Error in Node.js

Learn how to get rid of the ERR_OSSL_EVP_UNSUPPORTED error once and for all in Node.js, React, Nuxt, Next.js, Gatsby and similar technologies.

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Akshay Kumar Akshay Kumar
Updated on August 16, 2023

Top 20 Technical Interview Questions with Example Answers

Technical interviews evaluate a job candidate’s technical knowledge through coding exercises, system design discussions and behavioral questions. Review these questions to prepare.

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Vytenis Alaburda Vytenis Alaburda
Updated on July 25, 2023

Why Is React a Library and Next.js a Framework?

Discover the difference between React and Next.js and understand why React is a library not a framework. 

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Akshay Kumar Akshay Kumar
Updated on July 17, 2023

Guide to the JavaScript Reduce Method

JavaScript reduce method is a higher order function that reduces arrays to a single function. Here’s what to know.

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Lynn Kwong Lynn Kwong
Updated on July 14, 2023

How to Use JSON Schema to Validate JSON Documents in Python

In Python, we can use the JSON Schema library to validate a JSON document against a schema.

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Dr. Derek Austin Dr. Derek Austin
Updated on July 14, 2023

How to Use JSON.stringify() and JSON.parse() in JavaScript

JSON.stringify() and JSON.parse() are useful tools for handling JSON-formatted content in JavaScript, though they have some limitations.

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Rory Spanton Rory Spanton
Updated on July 13, 2023

How to Use the Ternary Operator in JavaScript

The ternary operator is a concise way of expressing conditional statements in a single line of JavaScript code. Our expert explains how it works.

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K. Jagathish K. Jagathish
Updated on July 12, 2023

How to Use the JavaScript Array FindIndex Method

The JavaScript array findIndex method returns the first element of an array that meets a provided condition. Learn how to apply it to your code. 

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Dr. Derek Austin Dr. Derek Austin
Updated on June 28, 2023

How to Check for Null in JavaScript

In JavaScript, typeof null returns ‘object’, so how do you check for null? One way is to use the double equality operator.

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Dr. Derek Austin Dr. Derek Austin
Updated on June 28, 2023

JavaScript Question Mark (?) Operator Explained

The question mark operator is used in JavaScript as an alternative to an if statement, especially where a value is assigned based on a conditional.

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