With ES2023 there are some new Array methods that always return a copy of the original array: toReversed, toSorted, toSpliced, with
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 | const people = [ { name: "Max", age: 19 }, { name: "Tom", age: 65 }, { name: "Liz", age: 43 },]// Copying counterpart of the reverse() methodconst reversedPeople = people.toReversed()// [{age: 43, name: "Liz"}, {age: 65, name: "Tom"}, {age: 19, name: "Max"}]// Copying version of the sort()const sortedPeople = people.toSorted((a,b) => a.age - b.age)// [{age: 19, name: "Max"}, {age: 43, name: "Liz"}, {age: 65, name: "Tom"}]// Copying version of the splice() methodconst splicedPeople = people.toSpliced(1,1)// [{age: 19, name: "Max"}, {age: 43, name: "Liz"}]// Copying version of using the bracket notation to change the value of a given indexconst updatedPeople = people.with(0, { name: "Pat", age: 12})// [{age: 12, name: "Pat"}, {age: 65, name: "Tom"}, {age: 43, name: "Liz"}] |