12.2 White Space
White space code points are used to improve source text readability and to separate tokens (indivisible lexical units) from each other, but are otherwise insignificant. White space code points may occur between any two tokens and at the start or end of input. White space code points may occur within a
The ECMAScript white space code points are listed in
||FORM FEED (FF)||<FF>|
||ZERO WIDTH NO-BREAK SPACE||<ZWNBSP>|
|any code point in general category “Space_Separator”||<USP>|
U+0020 (SPACE) and U+00A0 (NO-BREAK SPACE) code points are part of <USP>.