1array.splice(-1,1)

1var arr = ["f", "o", "o", "b", "a", "r"]; 
2arr.pop(); 
3console.log(arr); // ["f", "o", "o", "b", "a"]

1var colors = ["red","blue","green"];
2colors.pop();

1array.pop();   //returns popped element
2//example
3var fruits = ["Banana", "Orange", "Apple", "Mango"];
4fruits.pop();  // fruits= ["Banana", "Orange", "Apple"];

1array.pop();

1arr.splice(-1,1)
2// OR
3arr.splice(arr.length-1,1)
4
5// OR
6
7arr.pop()