Last Updated: December 26, 2018
·
1.447K
· jisaacks

JavaScript Gotcha

#javascript

If you are in the U.S. execute this JavaScript:

alert(new Date("2012-01-01").getFullYear());

Want to know why it returns 2011? Read my article

#javascript

Written by JD Isaacks

Say Thanks
Respond

Related protips

Don't use Array.forEach, use for() instead

1.244M
19

How to check if JavaScript Object is empty

1.106M
19

JavaScript iterate through object keys and values

600.9K
9

1 Response
Add your response

tanner

Nice gotcha. I appreciate that you gave a little intro on the Coderwall post and not just a link to your blog. I am seeing that a fair amount lately.

over 1 year ago ·

Have a fresh tip? Share with Coderwall community!

Post
Post a tip
Best #Javascript Authors
afshinm
1.288M
#javascript
#Shell
#css3
Kyle Ross
1.106M
#javascript
#SVN
#Linux
jjperezaguinaga
918K
#javascript
#C
#C++
steveniseki
793.5K
#javascript
#css
#backbone.js
guangyi
659.5K
#javascript
#python
#PHP
Related Tags
#javascript
Sponsored by
#native_company#
#native_desc#
#native_cta#
Filed Under
JavaScript tips that stick
Awesome Job
See All Jobs
Post a job for only $299
Did you know?

JavaScript on a page runs with the privileges of that origin. One altered library, tag manager, or snippet can read inputs, change what people see, and call your APIs as the user.

Security insights from Cside

Thanks to our sponsor
Sponsored by #native_company# — Learn More
#native_title# #native_desc#
#native_cta#