how merge different arrays code example

Example 1: php combine arrays

$output = array_merge($array1, $array2);

Example 2: js merge 2 lists

var array1 = ["Vijendra", "Singh"];
var array2 = ["Singh", "Shakya"];

console.log(array1.concat(array2));
// output: ["Vijendra", "Singh", "Singh", "Shakya"]