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Exploring Unary Operators in JavaScript: A Comprehensive Guide

Understanding the Ins and Outs of Unary Operators for Efficient JavaScript Programming

Max N
3 min readMar 15, 2024

In the realm of JavaScript programming, understanding operators is paramount to writing efficient and concise code. Among these operators are unary operators, which operate on a single operand.

In this article, we’ll take a deep dive into unary operators in JavaScript, exploring their various types and how they can be used to enhance your coding prowess.

Understanding Unary Operators

Unary operators are operators that act on a single operand, making them unique in their simplicity yet versatility. JavaScript offers several unary operators, each serving a distinct purpose in manipulating values or expressions.

Let’s start by exploring some of the most commonly used unary operators:

1. Unary Plus (+) Operator

The unary plus operator (+) attempts to convert its operand into a number, if it isn't already. If the operand is a string, it will be converted to a number. If it's already a number, no conversion is necessary.

const str = '42';
const num = +'42';

console.log(typeof str); //…

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Max N
Max N

Written by Max N

A writer that writes about JavaScript and Python to beginners. If you find my articles helpful, feel free to follow.

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