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JavaScript - merge two arrays
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In this short article, we would like to show how to merge two arrays in JavaScript.
Quick solution:
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const array1 = ['A', 'B'];2
const array2 = ['C', 'D'];3
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const array3 = array1.concat(array2);5
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console.log(array3);
In this section, we present how to merge two arrays using the spread syntax.
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const array1 = ['A', 'B'];2
const array2 = ['C', 'D'];3
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const array3 = [array1, array2];5
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console.log(array3);Output:
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[ 'A', 'B', 'C', 'D' ]xxxxxxxxxx1
const array1 = ['A', 'B'];2
const array2 = ['C', 'D'];3
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array1.push(array2);5
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console.log(array1);Output:
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[ 'A', 'B', 'C', 'D' ]