javascript make a copy of an array to another array code example

Example 1: javascript copy an array

let arr =["a","b","c"];
// ES6 way
const copy = [...arr];

// older method
const copy = Array.from(arr);

Example 2: javascript copy array map

workers = workers.map(employee => 
  employee.occupation == "Iron Man" ? (employee.occupation = "Philantropist", employee) : (employee.occupation, employee)
);