Array in JS

Array related notes

const list = [1, 2, 3 ];

push(element) will add an element in the last position of the array.

input: list.push(4)

output: [1, 2, 3, 4]

pop() will remove an element from the last position of an array.

input: list.pop()

output: [1, 2, 3]

unshift() method will add an element to the starting point of the element of the array.

input: list.unshift(5)

output: [5, 1, 2, 3]

shift() method will remove an element from the starting point of the element of the array.

input: list.shift()

output: [1, 2, 3]

slice(start, end) method will slice a portion of an array from start and end-1.

It is always a good practice to add the same type of data in the array.