Returns a random v4 UUID of the form xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
, where each x
is replaced with a random hexadecimal digit from 0 to f, and y
is replaced with a random hexadecimal digit from 8 to b.
Instance, based on recursion, can be found here.
function g(a,b){for(b=a='';a++<36;b+=a_51&52?(a^15?8^Math.random()_(a^20?16:4):4).toString(16):'-');return b;}console.log(g())