| var indexOfNaN = require('./indexOfNaN'); |
| |
| /** |
| * The base implementation of `_.indexOf` without support for binary searches. |
| * |
| * @private |
| * @param {Array} array The array to search. |
| * @param {*} value The value to search for. |
| * @param {number} fromIndex The index to search from. |
| * @returns {number} Returns the index of the matched value, else `-1`. |
| */ |
| function baseIndexOf(array, value, fromIndex) { |
| if (value !== value) { |
| return indexOfNaN(array, fromIndex); |
| } |
| var index = fromIndex - 1, |
| length = array.length; |
| |
| while (++index < length) { |
| if (array[index] === value) { |
| return index; |
| } |
| } |
| return -1; |
| } |
| |
| module.exports = baseIndexOf; |