Falsey (Falsy?) JavaScript | Adam Koch

Falsey (Falsy?) JavaScript

Filed Under: Professional by Adam — Leave a comment

2010-Jan-23

The following convert to false when applied to a double negation in JavaScript:
"" null undefined 0 NaN

« Returning from a constructor JavaScript Gotcha »

Tags: javascript, tidbit

Comments RSS feed

Leave a Reply Cancel reply

Recent Tweets
- Carbonite's front page is throwing a Runtime Error http://t.co/0yaxEzHI - I'm not feeling very secure. Refund please! http://t.co/fFFq7gll 1 day ago
- Getting new tires. (@ Jensen Tire & Auto) http://t.co/G1rLQCi5 1 day ago
- Chuckled when he read "privates are a growing part of our system" on our internal wiki. It makes sense in context. 1 day ago
- Landed in Omaha 1 day ago
- HTML5 Boilerplate 3.0 is out! https://t.co/qP7V4ysA - @zachleat @TravisDDuncan You know what that means! via @necolas & @paul_irish 2 days ago
- More updates...
Tags
Alyssa ant ascii Bret browser char character Christi code css facebook Fourth health html javascript jibx Joel Joey jquery jsdoc jsdoc-toolkit key keystroke keystrokes Lexi old age oracle portal programming quiz rhino shortcut short cut shortcuts sleep software spring stroke tidbit toastmasters toolkit travel tweet wedding Wii

Powered by WordPress & Web Design Company

[ Back to top ]