js set .delete last index code example

Example 1: splice last element from array javascript

array.splice(-1,1)

Example 2: remove from set javascript

// Create new set
const animals = new Set();

// Add to set
animals.add('cat');
animals.add('dog');

// Remove from set
animals.delete('cat'); // returns true
animals.delete('dog'); // returns true
animals.delete('horse'); // returns false