Game Instructions

Tap a tile to toggle its color. When a tile changes nearby tiles may change as well. Each move affect multiple tiles. The target is to turn all tiles into yellow in the fewest steps possible.

Press 'j' to show/hide the game. Press 'i' to show/hide the instructions. Press 't' to show/hide the top score table.

Steps: 0

Top Scores

Name Steps
Press J to toggle the game, I to toggle instructions, and T to toggle the top scores

Congratulations!

You solved the puzzle in 0 steps!

Success!

Score submitted successfully!

Error

Failed to submit score. Please try again.

Day: July 23, 2014

Cross-site HTTP requests

Cross-site HTTP requests are HTTP requests at URL addresses other than the domain of the resource making the request. The CORS specification allows the server side (that returns the resource we try to retrieve using the XHR object) to serve the resource to requests coming from resources that were served from other domains. According to the CORS specification the server side […]

The JSONP Technique

When using the XHR object in order to send an HTTP request to specific URL address we are limited. We cannot initiate this HTTP request to servers other than the one from which the web page (in which the code in JavaScript that uses the XHR object is running) arrived. The JSONP technique allows us […]

Update cookies preferences