time-to-botec

Benchmark sampling in different programming languages
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_copyArray.js (454B)

      1 /**
      2  * Copies the values of `source` to `array`.
      3  *
      4  * @private
      5  * @param {Array} source The array to copy values from.
      6  * @param {Array} [array=[]] The array to copy values to.
      7  * @returns {Array} Returns `array`.
      8  */
      9 function copyArray(source, array) {
     10   var index = -1,
     11       length = source.length;
     12 
     13   array || (array = Array(length));
     14   while (++index < length) {
     15     array[index] = source[index];
     16   }
     17   return array;
     18 }
     19 
     20 module.exports = copyArray;