mirror of
https://github.com/musix-org/musix-oss
synced 2024-12-23 19:23:18 +00:00
21 lines
779 B
JavaScript
21 lines
779 B
JavaScript
|
'use strict';
|
||
|
|
var $ = require('../internals/export');
|
||
|
|
var $indexOf = require('../internals/array-includes').indexOf;
|
||
|
|
var sloppyArrayMethod = require('../internals/sloppy-array-method');
|
||
|
|
|
||
|
|
var nativeIndexOf = [].indexOf;
|
||
|
|
|
||
|
|
var NEGATIVE_ZERO = !!nativeIndexOf && 1 / [1].indexOf(1, -0) < 0;
|
||
|
|
var SLOPPY_METHOD = sloppyArrayMethod('indexOf');
|
||
|
|
|
||
|
|
// `Array.prototype.indexOf` method
|
||
|
|
// https://tc39.github.io/ecma262/#sec-array.prototype.indexof
|
||
|
|
$({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || SLOPPY_METHOD }, {
|
||
|
|
indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
|
||
|
|
return NEGATIVE_ZERO
|
||
|
|
// convert -0 to +0
|
||
|
|
? nativeIndexOf.apply(this, arguments) || 0
|
||
|
|
: $indexOf(this, searchElement, arguments.length > 1 ? arguments[1] : undefined);
|
||
|
|
}
|
||
|
|
});
|