// 32 bit FNV-1a hash
// Ref.: http://isthe.com/chongo/tech/comp/fnv/
function fnv32a(str) {
  var FNV1_32A_INIT = 0x811c9dc5,
      hval = FNV1_32A_INIT,
      i, len;
  
  for (i = 0, len = str.length; i < len; i++) {
    hval ^= str.charCodeAt(i);
    hval += (hval << 1) + (hval << 4) + (hval << 7) + (hval << 8) + (hval << 24);
  }
 
  return hval >>> 0;
}

// Hex http://engineering.chartbeat.com/2014/08/13/you-dont-know-jack-about-hashing/
function fnv32h(str) {
    var h = [0x6295c58d, 0x62b82175, 0x07bb0142, 0x6c62272e];
    for (var i = 0, len = str.lenth; i < len; i++) {
        h[i % 4] ^= str.charCodeAt(i);
        h[i % 4] *= 0x01000193;
    }
    /* returns 4 concatenated hex representations */
    return h[0].toString(16) + h[1].toString(16) + h[2].toString(16) + h[3].toString(16);
}

console.log(fnv32a('abc'));               // 440920331
console.log(fnv32a('abc').toString(2));   // 11010010001111110100100001011
console.log(fnv32a('abc').toString(4));   // 122101332210023
console.log(fnv32a('abc').toString(8));   // 3221764413
console.log(fnv32a('abc').toString(16));  // 1a47e90b
console.log(fnv32a('abc').toString(32));  // d4fq8b
console.log(fnv32a('abc').toString(36));  // 7aigaz
console.log(fnv32h('abc'));               // 6295c58d62b821757bb01426c62272e

(1234567890).toString(36)  // => "kf12oi"
parseInt("kf12oi",36)      // => 1234567890

// Good read: http://programmers.stackexchange.com/questions/49550/which-hashing-algorithm-is-best-for-uniqueness-and-speed