Function integerPart

lib/internal/webidl.js:173–178

* Returns IntegerPart(n). * @see https://webidl.spec.whatwg.org/#abstract-opdef-integerpart * @param {number} n Numeric value. * @returns {number}

(n)

 * @returns {number}
 */
function integerPart(n) {
  // Web IDL IntegerPart steps 1-3: floor(abs(n)), restore the sign,
  // and choose +0 rather than -0.
  const integer = MathTrunc(n);
  return integer === 0 ? 0 : integer;
}

/**
 * Rounds to the nearest integer, choosing the even integer on ties.