PRNG - Linear feedback shift register

random.js

 var random = (function() {
     // Implements 32-bit Linear feedback shift register
     var lfsr = 0xDEADBEEF;

     return function() {
         lfsr = ((lfsr >>> 1) ^ (-(lfsr & 1) & 0xD0000001)) >>> 0;
         return lfsr;
     };
 })();