Question

How to sort an array of numbers by even and odd numbers with JavaScript

Answer 1

var arr = [2, 4, 3, 9, 7, 8, 10, 13];

arr.sort(function(a, b) {
    return (a & 1) - (b & 1) || a - b;
});

document.write(arr);

 
/*
run:
 
2,4,8,10,3,7,9,13
 
*/

 

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Answer 2

var arr = [2, 4, 3, 9, 7, 8, 10, 13];

arr.sort(function(a, b) {
    return (b & 1) - (a & 1) || a - b;
});

document.write(arr);

 
/*
run:
 
3,7,9,13,2,4,8,10
 
*/

 

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