EVOLUTION-NINJA

Edit File: e-index-of.js

"use strict"; var numberIsNaN = require("../../number/is-nan") , toPosInt = require("../../number/to-pos-integer") , value = require("../../object/valid-value") , indexOf = Array.prototype.indexOf , objHasOwnProperty = Object.prototype.hasOwnProperty , abs = Math.abs , floor = Math.floor; module.exports = function (searchElement /*, fromIndex*/) { var i, length, fromIndex, val; if (!numberIsNaN(searchElement)) return indexOf.apply(this, arguments); length = toPosInt(value(this).length); fromIndex = arguments[1]; if (isNaN(fromIndex)) fromIndex = 0; else if (fromIndex >= 0) fromIndex = floor(fromIndex); else fromIndex = toPosInt(this.length) - floor(abs(fromIndex)); for (i = fromIndex; i < length; ++i) { if (objHasOwnProperty.call(this, i)) { val = this[i]; if (numberIsNaN(val)) return i; // Jslint: ignore } } return -1; };