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| author | ruki <waruqi@gmail.com> | 2018-11-08 00:38:48 +0800 |
|---|---|---|
| committer | ruki <waruqi@gmail.com> | 2018-11-07 21:53:09 +0800 |
| commit | 26105034da4fcce7ac883c899d781f016559310d (patch) | |
| tree | c459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/core-js/library/modules/es6.array.index-of.js | |
| parent | 2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff) | |
| download | xmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip | |
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Diffstat (limited to 'node_modules/core-js/library/modules/es6.array.index-of.js')
| -rw-r--r-- | node_modules/core-js/library/modules/es6.array.index-of.js | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/node_modules/core-js/library/modules/es6.array.index-of.js b/node_modules/core-js/library/modules/es6.array.index-of.js new file mode 100644 index 00000000..231c92e9 --- /dev/null +++ b/node_modules/core-js/library/modules/es6.array.index-of.js @@ -0,0 +1,15 @@ +'use strict'; +var $export = require('./_export'); +var $indexOf = require('./_array-includes')(false); +var $native = [].indexOf; +var NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0; + +$export($export.P + $export.F * (NEGATIVE_ZERO || !require('./_strict-method')($native)), 'Array', { + // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex]) + indexOf: function indexOf(searchElement /* , fromIndex = 0 */) { + return NEGATIVE_ZERO + // convert -0 to +0 + ? $native.apply(this, arguments) || 0 + : $indexOf(this, searchElement, arguments[1]); + } +}); |