According to this post on the official V8 Javascript blog, the pseudo-random number generator (PRNG) that V8 Javascript uses in Math.random() is horribly flawed and getting replaced with something … ...

So it turns out the random number generator long used by developers working with Google's V8 JavaScript engine doesn't really generate random numbers at all.

Many languages feature a random number generator library for help with tasks like rolling a die or flipping a coin. Why, you may ask, is this necessary when humans are perfectly capable of randomly… ...

In order to create something random, it must be truly unpredictable. That means that even if some enemy understands everything about how the random number generator works, they still can’t ...

Random numbers are important for computer encryption, lotteries, scientific modelling, and gambling. Current methods of generating random numbers can produce predictable results.

That’s exactly how the world’s only commercially available quantum random number generator works. But its speed is limited to about one megabit per second.