javascript - oneArray's objects + twoAarray's objects to and of oneArray -


i have 2 arrays're contained objects , need put elements(objects) first array how ? mybe underscore?

plain js:

arr = [1,2,3,4] arr1 = [6,7] arr = arr.concat(arr1)

using underscore

arr = [1,2,3,4] arr1 = [6,7]  arr.push(arr1) arr = _.flatten(arr)

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