get array time with jQuery?

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get array time with jQuery?

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#1 by (2 votes)
#2 by (0 votes)

2

I have this code:

var fhora = function(horamin, horamax){
    var horas = ["11:20", "04:40", "22:30", "07:00"];
    return horas;
};

How do I get back to the hours between 05:00 and 23:30?

fhora("05:00", "23:30");

javascript jquery

asked by anonymous 21.06.2017 / 11:04

2 answers

0

An alternative, using Array.prototype.filter , would be:

function fhora (horamin, horamax)
{
    return ["11:20", "04:40", "22:30", "07:00", "23:45"].filter(hora => hora >= horamin && hora <= horamax);
};

console.log(fhora("05:00", "23:30"));

Because the times are string and are in 24h format, a simple comparison between string is enough to identify if a given value is in the desired range.

21.06.2017 / 13:25

Any help in the function exercise (python) Binary file storage

score 2 · Accepted Answer

You can do it like this:

Creates a function to convert hh:mm to minutes
Create another function to compare the minimum and maximum
It also passes the hours to choose (the array with all the options) to the function that compares. So you get a pure function and you have no side effects in the code.

Example:

var horas = ["11:20", "04:40", "22:30", "07:00", "23.:45"];

function horasParaMinutos(str) {
  var horas = str.split(':').map(Number);
  return horas[0] * 60 + horas[1];
}

var fhora = function(horamin, horamax, arr) {
  horamin = horasParaMinutos(horamin);
  horamax = horasParaMinutos(horamax);
  return arr.filter(function(hora) {
    hora = horasParaMinutos(hora);
    return hora >= horamin && hora <= horamax;
  });
};

var res = fhora("05:00", "23:30", horas);
console.log(res);