js數組排序 js排序

var data=[];
                                        if(e.target.result.length>1){
                                            data=JSON.parse(e.target.result);                    
                                        }
                                         function compare(a, b) {
                                             return  Number(a.date.substring(8,10))-Number(b.date.substring(8,10));
                                         }
                                         data = data.sort(compare);