Here are some useful tools for tools for JS programing:
Responsive Web Design
https://www.responsinator.com/
http://www.responsivegridsystem.com/
http://isotope.metafizzy.co/layout.html
Helpful RGB Conversions
http://www.rapidtables.com/convert/color/rgb-to-hex.htm
Helpful JS sites for JSON
Other Links /** * Returns a random number between min (inclusive) and max (exclusive) */ function getRandomArbitrary(min, max) { return Math.random() * (max - min) + min; } /** * Returns a random integer between min (inclusive) and max (inclusive) * Using Math.round() will give you a non-uniform distribution! */ function getRandomInt(min, max) { return Math.floor(Math.random() * (max - min + 1)) + min; }