>Dave Higton wrote
> My reference suggests that an HTML comment is /not/ a legal Javascript
> comment. Perhaps you should open a discussion with the author of the
> above application. I would, of course, be very interested to know the
> conclusion!
Dave - below is an extract from the
"Ecma Standard definition of the ECMAScript 2015 Language",
Assuming that that JavaScript is entirely defined by the ECMAScript
standard, it seems clear that html style comments are valid.
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"Annex B (normative) Additional ECMAScript Features for Web Browsers"
...
B.1.3 HTML-like Comments
The syntax and semantics of 11.4 is extended as follows except that
this extension is not when parsing source
code using the goal symbol Module:
Syntax
Comment ::
MultiLineComment
SingleLineComment
SingleLineHTMLOpenComment
SingleLineHTMLCloseComment
SingleLineDelimitedComment
MultiLineComment ::
/* FirstCommentLineopt LineTerminator MultiLineCommentCharsopt
*/ HTMLCloseCommentopt
FirstCommentLine ::
SingleLineDelimitedCommentChars
SingleLineHTMLOpenComment ::
<!-- SingleLineCommentCharsopt
SingleLineHTMLCloseComment ::
LineTerminatorSequence HTMLCloseComment
SingleLineDelimitedComment ::
/* SingleLineDelimitedCommentCharsopt */
HTMLCloseComment ::
WhiteSpaceSequenceopt SingleLineDelimitedCommentSequenceopt -->
SingleLineCommentCharsopt
SingleLineDelimitedCommentChars ::
SingleLineNotAsteriskChar SingleLineDelimitedCommentCharsopt
* SingleLinePostAsteriskCommentCharsopt
SingleLineNotAsteriskChar ::
SourceCharacter but not one of * or LineTerminator
SingleLinePostAsteriskCommentChars ::
SingleLineNotForwardSlashOrAsteriskChar
SingleLineDelimitedCommentCharsopt
* SingleLinePostAsteriskCommentCharsopt
SingleLineNotForwardSlashOrAsteriskChar ::
SourceCharacter but not one of / or * or LineTerminator
WhiteSpaceSequence ::
WhiteSpace WhiteSpaceSequenceopt
SingleLineDelimitedCommentSequence ::
SingleLineDelimitedComment WhiteSpaceSequenceopt
SingleLineDelimitedCommentSequenceopt
Copyright Ecma International 2015
page 523
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