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Ask HN: What's your most useful CSS or JavaScript trick?

6 points| smashing_mag | 14 years ago | reply

Over time we all learn little nifty coding tricks that help us solve common problems or anticipate potential bugs. What's your favorite CSS or JavaScript tip for beginners and professionals? What do you keep using often in your design or development work?

6 comments

order
[+] geuis|14 years ago|reply
Simple doctype: <!DOCTYPE html>

Script tags just work (no need for type="text/javascript": <script></script>

CSS

Understand how to do general vs specific border/margin/etc assignments and how they cascade. Useful for generic

classes:

.class1{ border:1px solid #000; }

.sub_class1{ border-bottom:2px solid #cc0000; }

JS

0|3.14 === 3, vs Math.floor(3.14) === 3

[+] jimmynewtron|14 years ago|reply
CSS Reset. Every project starts with a full reset.
[+] proexploit|14 years ago|reply
Full Reset? As in * { clear everything }?
[+] Flam|14 years ago|reply
*rule/_rule for CSS ie6/7 hacks font-weight: 900 instead of bold, saves 1 character :P