You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
28 lines
678 B
JavaScript
28 lines
678 B
JavaScript
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;
|