Well I'm with an array of objects and I need to sort the closest to today to far away from today. For example today is 24/11/2015 ai I have in my array the dates:
30/11/2015
27/11/2015
25/11/2015
30/11/2015
In case the result I'm needing is that these dates come like this:
25/11/2015
27/11/2015
30/11/2015
30/11/2015
Within my array I can date, name, and phone.
I tried to use sort() inside this array but it did not work. I actually do not quite understand why sort()
I've adapted this answer to your need, you can create your own function and pass it as a parameter of the sort function.
See Running.
var objeto = [
{ data : new Date('11-30-2015'), nome: 'Marconi', telefone:'32486745425'},
{ data : new Date('11-31-2015'), nome: 'Marcos', telefone:'32486745425'},
{ data : new Date('11-25-2015'), nome: 'B', telefone:'32486745425'},
{ data : new Date('11-27-2015'), nome: 'Testes', telefone:'32486745425'},
];
function compare(a,b) {
return a.data < b.data;
}
console.log(objeto.sort(compare));I performed some tests with the function and was performing the sort order wrong because the date was string. to work properly, you must use a variable of type
Date
You can use sort itself, it accepts as an optional parameter a function, see an example.
var teste = [
{ nome: "pedro", data: new Date('11-30-2015') },
{ nome :"joao", data: new Date('12-01-2015') },
{ nome: "maria", data: new Date('10-05-2015') }
];
function ordemDecrescente(a, b) {
return a.data < b.data;
}
function ordemCrescente(a, b) {
return a.data > b.data;
}
teste.sort(ordemDecrescente);
console.log(teste);I used this once:
function date_compare($a, $b)
{
$t1 = strtotime($a['datetime']);
$t2 = strtotime($b['datetime']);
return $t1 - $t2;
}
usort($array, 'date_compare');
usort - Sorts an array by the values using a user-defined comparison function.
The function takes two records of array at a time and compares, if equal returns zero; if greater, positive number; and if smaller, negative number.
The usort uses this result to sort the array.
Retired from SOEn: link
var teste = [{
nome: "pedro",
data: new Date('11-30-2018')
},
{
nome: "joao",
data: new Date('12-01-2018')
},
{
nome: "maria",
data: new Date('10-05-2018')
}
];
function ordemDecrescente(a, b) {
return a.data - b.data;
}
function ordemCrescente(a, b) {
return b.data - a.data;
}
teste.sort(ordemCrescente);
console.log(teste);
var points = [40, 100, 1, 5, 25, 10];
console.log(points.sort(function(a, b) {
return b - a
}));