Last Updated: February 25, 2016
·
1.04K
· unel

XHR.status === 0 if result loaded from cache

if you get xhr request to some data, that cached, check readyState for 4 and status for 0, not for 200

(checked in chrome 27)

Have a fresh tip? Share with Coderwall community!

Post
Post a tip
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