JavaScript syntax: Difference between revisions

Revision as of 17:20, 10 November 2020

Revision as of 11:31, 23 November 2020

Line 27:

===Whitespace and semicolons===

Unlike in [[C (programming language)|C]], whitespace in JavaScript source can directly impact [[Semantics (computer science)|semantics]]. [[Semicolon]]<nowiki/>s end statements in JavaScript. Because of "automatic [[semicolon insertion]]" (ASI), some statements that are well formed when a newline is parsed will be considered complete, as if a semicolon were inserted just prior to the newline. Some authorities advise supplying statement-terminating semicolons explicitly, because it may lessen unintended effects of the automatic semicolon insertion.<ref>{{cite book

|title=JavaScript: The definitive Guide

|url=https://archive.org/details/javascript00libg_297