javascript how do I join two arrays together code example

Example 1: join 2 array in javascript

const array1 = ["Vijendra","Singh"];
const array2 = ["Singh", "Shakya"];
const array3 = [...array1, ...array2];

Example 2: js join two arrays

[1,2,3].concat([4,5,6])
// [1,2,3,4,5,6]