JAVASCRIPT

js add begin array

array = ['b', 'c']
array.unshift('a')
//array = ['a','b', 'c']

How can I add new array elements at the beginning of an array in JavaScript?

var arr = [23, 45, 12, 67];
arr = [34, ...arr]; // RESULT : [34,23, 45, 12, 67]

console.log(arr)