14 lines
394 B
JavaScript
14 lines
394 B
JavaScript
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'use strict';
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var callBound = require('call-bind/callBound');
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var $byteLength = callBound('ArrayBuffer.prototype.byteLength', true);
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var isArrayBuffer = require('is-array-buffer');
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module.exports = function byteLength(ab) {
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if (!isArrayBuffer(ab)) {
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return NaN;
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}
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return $byteLength ? $byteLength(ab) : ab.byteLength;
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}; // in node < 0.11, byteLength is an own nonconfigurable property
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