Javascript - convert array of arrays into array of objects with prefilled values

Question

I have following array:

[
    [val1, val2]
    [val1, val2]
    [val1, val2]
    [valN, valN]
]

N represents the fact that the

Answer 1

You can use Array#map to achieve this. Array#map passes each array element through a projection function and returns the values in a new array.

var data= [
    ['val1', 'val2'],
    ['val1', 'val2'],
    ['val1', 'val2'],
    ['valN', 'valN'],
];

var result = data.map(function(row) {
  return {
    lat: row[0],
    lng: row[1]
  };
});

console.log(result);