Demystifying Optional Semicolons in JavaScript: Embrace the Freedom with Caution

Understanding the Impact of Semicolons and Their Omission in ECMAScript 6

Max N
3 min readAug 8, 2023

In the realm of JavaScript, semicolons are like silent sentinels, ensuring smooth communication between code statements.

However, with ECMAScript 6 JavaScript, the language offers developers the option to liberate their code from the shackles of mandatory semicolons.

In this beginner-friendly guide, we’ll explore the significance of semicolons in JavaScript, the consequences of their omission, and how to wield this newfound freedom responsibly.

The Purpose and Importance of Semicolons in JavaScript

In JavaScript, a semicolon serves as a statement terminator, signaling the end of a line of code. While not always strictly necessary, semicolons are vital for avoiding unexpected behavior and ensuring proper code execution. They allow JavaScript engines to parse and interpret code correctly.

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Max N

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