January 2017
Beginner to intermediate
550 pages
10h 6m
English
Content preview from Object-Oriented JavaScript - Third EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Comments
One last thing for this chapter-comments. Inside your JavaScript program, you can put comments. These are ignored by the JavaScript engine and don't have any effect on how the program works. But they can be invaluable when you revisit your code after a few months, or transfer the code to someone else for maintenance.
The following two types of comments are allowed:
- Single line comments start with
//and end at the end of the line. - Multiline comments start with
/*and end with*/on the same line or any subsequent line. Note that any code in between the comment start and the comment end is ignored.
Some examples are as follows:
// beginning of line var a = 1; // anywhere on the line /* multi-line comment on a single line */ /* comment that ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.