Do we need semicolon at the end? [duplicate]

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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.

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