1array.splice(-1,1)

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

1arr.splice(arr.length - 2, 1);

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

1array.pop();
2
3// Example
4var colors = ['Yellow', 'Red', 'Blue', 'Green'];
5var removedColor = colors.pop(); // Green
6console.log(colors); // ['Yellow', 'Red', 'Blue']

1Prueba de Uso