| 1 |
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| 2 |
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| 3 | /**
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| 4 | * Appends an array to the end of another.
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| 5 | * The first array will be modified.
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| 6 | */
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| 7 | function append(arr1, arr2) {
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| 8 | if (arr2 == null) {
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| 9 | return arr1;
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| 10 | }
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| 11 |
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| 12 | var pad = arr1.length,
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| 13 | i = -1,
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| 14 | len = arr2.length;
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| 15 | while (++i < len) {
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| 16 | arr1[pad + i] = arr2[i];
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| 17 | }
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| 18 | return arr1;
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| 19 | }
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| 20 | module.exports = append;
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| 21 |
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