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 … ...

Most browsers have implementations of Math.random that are based on the C runtime library's 'rand' function. This function is commonly a simple linear congruential pseudo-random number generator, ...

In most implementations if not in all, Math.random's generator is silently seeded at startup by some supposedly random value, usually the present time to the millisecond or whatever other granularity ...

The JavaScript math object is used to perform mathematical operation. The Math object includes several mathematical methods. Below are certain math objects with ...

And they don't say the random number generator function in JavaScript -- Math.random() -- is broken. They say it "offers sub-par quality." Specifically, V8 used a pseudorandom number generator (PRNG) ...

Over the years, multiple studies have found that Google Chrome’s V8 JavaScript engine was returning not-so-random numbers when you called the Math.random() function. Today that’s been fixed ...