js easy way to flatten an array code example

Example 1: flatten nested array javascript

const arr2 = [1, 2, [3, 4, [5, 6]]];
arr2.flat();

Example 2: js .flat

const arrays = [
      ["$6"],
      ["$12"],
      ["$25"],
      ["$25"],
      ["$18"],
      ["$22"],
      ["$10"]
    ];
const merge3 = arrays.flat(1); //The depth level specifying how deep a nested array structure should be flattened. Defaults to 1.
console.log(merge3);