Convert a 2D JavaScript array to a 1D array

Source: https://stackoverflow.com/questions/14824283/convert-a-2d-javascript-array-to-a-1d-array

var arrToConvert = [[0,0,1],[2,3,3],[4,4,5]];
var newArr = [];


for(var i = 0; i < arrToConvert.length; i++)
{
    newArr = newArr.concat(arrToConvert[i]);
}

console.log(newArr);
var arrays = [
  ["$6"],
  ["$12"],
  ["$25"],
  ["$25"],
  ["$18"],
  ["$22"],
  ["$10"]
];
var merged = [].concat.apply([], arrays);

console.log(merged);

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