1 var indexOfNaN = require('./_indexOfNaN');
4 * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
7 * @param {Array} array The array to search.
8 * @param {*} value The value to search for.
9 * @param {number} fromIndex The index to search from.
10 * @returns {number} Returns the index of the matched value, else `-1`.
12 function baseIndexOf(array, value, fromIndex) {
13 if (value !== value) {
14 return indexOfNaN(array, fromIndex);
16 var index = fromIndex - 1,
17 length = array.length;
19 while (++index < length) {
20 if (array[index] === value) {
27 module.exports = baseIndexOf;