Question

I am using the following code to sort an array in javascript:

 array.sort(function(a,b){
             var score_a = $.fuzzyMatch(a['name'], user).score,
                 score_b = $.fuzzyMatch(b['name'], user).score;

            return score_a < score_b ? -1 : score_a === score_b ? 0 : 1;
       });

The sorting is taking the ‘name’ property of each row in the array and running it through my fuzzymatch function and returning a score so that most relevant matches are returned at the top of the array.

However I wish to include another property in the sort which in this case will be a['folcode'] or b['folcode']

So to sumarise, how can I modify my code to always put rows that contain ['folcode'] == 4 at the top, sorted by best ['name'] match, then return ['folcode'] == 3 rows, also sorted by best name match… etc…

Answer 1

If you want to sort by folcode primarily, and by name within each folcode, you would have to yield a comparison for folcode just as the one you’re currently doing for name, but return the value of the name comparison only in the equals condition.

function(a,b) {

    var code_a = a.folcode;
    var code_b = b.folcode;

    var score_a = $.fuzzyMatch(a.name, user).score;
    var score_b = $.fuzzyMatch(b.name, user).score;

    if(code_a === code_b)
        return score_a < score_b ? -1 : score_a === score_b ? 0 : 1;

    return code_a < code_b ? -1 : 1;

}