push pop in javascript

1let items = [1, 2, 3]
2items.push(4); // items = [1, 2, 3, 4]

1var cars = ['mazda', 'honda', 'tesla'];
2var telsa=cars.pop(); //cars is now just mazda,honda 

1// push append the element at the end of the array 
2
3array = [1,2,3] 
4array.push(4) 	// [1,2,3,4]
5
6// pop will remove the element from the end of the array. 
7array.pop()		// [1,2,3]
8