June 2013
Beginner
388 pages
10h 9m
English
book
Beginning JavaScript with DOM Scripting and Ajax, Second Edition
by Russ Ferguson, Christian Heilmann
Content preview from Beginning JavaScript with DOM Scripting and Ajax, Second Edition
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APPENDIX A
Debugging JavaScript
In this appendix, I will introduce you to some tricks and tools to debug your JavaScript code. It is very important to get acquainted with debugging tools, because programming consists to a large extent of trying to find out what went wrong a particular time. Some browsers help you with this problem; others make it harder by having their debugging tools hidden away or by returning cryptic error messages that confuse more than they help. Some of my favorites include philosophical works like “Undefined is not defined” or the Microsoft Internet Explorer (IE) standard “Object doesn’t support this property or method.” ...
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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.