javascript - Do we need semicolon at the end?

Question

This question already has answers here:

Answer 1

The concept is known as JavaScript Semicolon Insertion or "Automatic Semicolon Insertion". This blog post: JavaScript Semicolon Insertion: Everything you need to know outlines the concept well in an understandable manner using examples under the headings:

• Where Semicolons are Allowed
• Where Semicolons May be Omitted
• The rules

It even digs into the official ECMAScript specification about the topic.