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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/modules/es6.array.slice.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/modules/es6.array.slice.js')
| -rw-r--r-- | node_modules/core-js/modules/es6.array.slice.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/es6.array.slice.js b/node_modules/core-js/modules/es6.array.slice.js new file mode 100644 index 00000000..bdd496ec --- /dev/null +++ b/node_modules/core-js/modules/es6.array.slice.js @@ -0,0 +1,28 @@ +'use strict'; +var $export = require('./_export'); +var html = require('./_html'); +var cof = require('./_cof'); +var toAbsoluteIndex = require('./_to-absolute-index'); +var toLength = require('./_to-length'); +var arraySlice = [].slice; + +// fallback for not array-like ES3 strings and DOM objects +$export($export.P + $export.F * require('./_fails')(function () { + if (html) arraySlice.call(html); +}), 'Array', { + slice: function slice(begin, end) { + var len = toLength(this.length); + var klass = cof(this); + end = end === undefined ? len : end; + if (klass == 'Array') return arraySlice.call(this, begin, end); + var start = toAbsoluteIndex(begin, len); + var upTo = toAbsoluteIndex(end, len); + var size = toLength(upTo - start); + var cloned = new Array(size); + var i = 0; + for (; i < size; i++) cloned[i] = klass == 'String' + ? this.charAt(start + i) + : this[start + i]; + return cloned; + } +}); |
