Array.flat All In One

Array.flat All In One

ES-Next solutions

1. Array.from / Set / Array.flat / Array.sort

// 1. remove duplicate item
// 2. flat array
let arr= [["$6", ["$18"]], ["$6"], ["$12"], ["$25"], ["$25"], ["$18"], ["$22"], ["$10"]];

let result = Array.from(new Set(arr.flat(Infinity)));

console.log(`flat array with unique filter`, result);
// 

// 1. remove duplicate item
// 2. sort by Asc order (munber only)
// 3. flat array

// let arr= [["$6", ["$18"]], ["$6"], ["$12"], ["$25"], ["$25"], ["$18"], ["$22"], ["$10"]];

let arr= [["6", ["18"]], ["6"], ["12"], ["25"], ["25"], ["18"], ["22"], ["10"]];

let result = Array.from(new Set(arr.flat(Infinity))).map(Number).sort((a,b)=> a > b ? 1: -1);

console.log(`flat array with unique filter & Asc sort`, result);
//

2. ...spread / Set / Array.flat / Array.sort

// 1. remove duplicate item
// 2. flat array
let arr= [["$6", ["$18"]], ["$6"], ["$12"], ["$25"], ["$25"], ["$18"], ["$22"], ["$10"]];

let result = [...new Set(arr.flat(Infinity))];

console.log(`flat array with unique filter`, result);
// 

// 1. remove duplicate item
// 2. sort by Asc order(number only)
// 3. flat array

//let arr= [["$6", ["$18"]], ["$6"], ["$12"], ["$25"], ["$25"], ["$18"], ["$22"], ["$10"]];

let arr= [["6", ["18"]], ["6"], ["12"], ["25"], ["25"], ["18"], ["22"], ["10"]];

let result = [...new Set(arr.flat(Infinity))].map(Number).sort((a,b)=> a > b ? 1: -1);

console.log(`flat array with unique filter & Asc sort`, result);
// 

refs

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax

refs

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