banhaclong20/Combine Arrays with Spread Operator

## Combine Arrays with Spread Operator
arr1.push(...arr2) // Adds arr2 items to end of array
arr1.unshift(...arr2) //Adds arr2 items to beginning of array

var arr1 = ['two', 'three'];
var arr2 = ['one', ...arr1, 'four', 'five'];

// ["one", "two", "three", "four", "five"]
	arr1.push(...arr2) // Adds arr2 items to end of array
	arr1.unshift(...arr2) //Adds arr2 items to beginning of array

	var arr1 = ['two', 'three'];
	var arr2 = ['one', ...arr1, 'four', 'five'];

	// ["one", "two", "three", "four", "five"]