22 lines
658 B
JavaScript
Executable file
22 lines
658 B
JavaScript
Executable file
'use strict';
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var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
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var aTypedArray = ArrayBufferViewCore.aTypedArray;
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var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
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var floor = Math.floor;
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// `%TypedArray%.prototype.reverse` method
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// https://tc39.es/ecma262/#sec-%typedarray%.prototype.reverse
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exportTypedArrayMethod('reverse', function reverse() {
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var that = this;
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var length = aTypedArray(that).length;
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var middle = floor(length / 2);
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var index = 0;
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var value;
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while (index < middle) {
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value = that[index];
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that[index++] = that[--length];
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that[length] = value;
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} return that;
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});
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