--- /dev/null
+
+
+ /**
+ * Appends an array to the end of another.
+ * The first array will be modified.
+ */
+ function append(arr1, arr2) {
+ if (arr2 == null) {
+ return arr1;
+ }
+
+ var pad = arr1.length,
+ i = -1,
+ len = arr2.length;
+ while (++i < len) {
+ arr1[pad + i] = arr2[i];
+ }
+ return arr1;
+ }
+ module.exports = append;
+