diff options
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 000000000..610bd3990 --- /dev/null +++ b/node_modules/core-js/modules/es6.array.slice.js @@ -0,0 +1,28 @@ +'use strict'; +var $export = require('./_export') + , html = require('./_html') + , cof = require('./_cof') + , toIndex = require('./_to-index') + , toLength = require('./_to-length') + , arraySlice = [].slice; + +// fallback for not array-like ES3 strings and DOM objects +$export($export.P + $export.F * require('./_fails')(function(){ + if(html)arraySlice.call(html); +}), 'Array', { + slice: function slice(begin, end){ + var len = toLength(this.length) + , klass = cof(this); + end = end === undefined ? len : end; + if(klass == 'Array')return arraySlice.call(this, begin, end); + var start = toIndex(begin, len) + , upTo = toIndex(end, len) + , size = toLength(upTo - start) + , cloned = Array(size) + , i = 0; + for(; i < size; i++)cloned[i] = klass == 'String' + ? this.charAt(start + i) + : this[start + i]; + return cloned; + } +});
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