Convert a signed integer into a unsigned 32-bit hex integer string.

to32BitHex.js

function to32BitHex(v) {
  if (typeof (v) !== 'number' || (Number.isInteger && !Number.isInteger(v))) {
    throw new TypeError("Require a number as the argument.");
  }
  v = 0xFFFFFFFF & v;
  if (v < 0) {
    return (v >>> 0).toString(16);
  }
  else {
    return v.toString(16);
  }
}