Я экспериментирую с методом массива .map () и не могу найти правильный синтаксис для генерации столбца «wlt» в моем объекте. «Wlt» обозначает Win, Loss или T ie.
В настоящее время я генерирую столбец «wlt» со следующим кодом:
const scores = philadephiaEaglesScores.map(function(item){
const obj = {
"weekNumber": item.weekNumber,
"name": item.ourName,
"oppName": item.oppName,
"ourScore": item.ourScore,
"oppScore": item.oppScore,
"wlt": item.ourScore - item.oppScore
}
return obj;
});
Это работает и дает мне положительное число, если мы выиграли игру, отрицательное число, если мы проиграли, и 0, если игра была на ie.
. Я бы хотел перейти на следующий уровень и фактически сгенерировать строковое значение. из Won, Lost или T ie в первом примере кода.
Я могу заставить это работать, используя следующий код, но не могу заставить второй пример кода работать внутри первого примера кода.
let winLossTie = philadephiaEaglesScores.map(item => {
if (item.ourScore > item.oppScore) {
return "W";
} if (item.ourScore < item.oppScore) {
return "L";
} else {return "T"}
});
My JSON data is listed below:
const philadephiaEaglesScores = [
{"weekNumber": "1","ourName": "Philadephia Eagles", "oppName": "Redskins", "ourScore": "32",
"oppScore": "27", "location": ""},
{"weekNumber": "2","ourName": "Philadephia Eagles", "oppName": "Falcons", "ourScore": "20",
"oppScore": "27", "location": ""},
{"weekNumber": "3","ourName": "Philadephia Eagles", "oppName": "Lions", "ourScore": "24", "oppScore":
"27", "location": ""},
{"weekNumber": "4","ourName": "Philadephia Eagles", "oppName": "Packers", "ourScore": "34",
"oppScore": "27", "location": ""},
{"weekNumber": "5","ourName": "Philadephia Eagles", "oppName": "Packers", "ourScore": "31",
"oppScore": "6", "location": ""},
{"weekNumber": "6","ourName": "Philadephia Eagles", "oppName": "Vikings", "ourScore": "20",
"oppScore": "38", "location": ""},
{"weekNumber": "7","ourName": "Philadephia Eagles", "oppName": "Cowboys", "ourScore": "10",
"oppScore": "37", "location": ""},
{"weekNumber": "8","ourName": "Philadephia Eagles", "oppName": "Bills", "ourScore": "31", "oppScore":
"13", "location": ""},
{"weekNumber": "9","ourName": "Philadephia Eagles", "oppName": "Bears", "ourScore": "22", "oppScore":
"14", "location": ""},
{"weekNumber": "11","ourName": "Philadephia Eagles", "oppName": "Patriots", "ourScore": "10",
"oppScore": "17", "location": ""},
{"weekNumber": "12","ourName": "Philadephia Eagles", "oppName": "Seahawks", "ourScore": "9",
"oppScore": "17", "location": ""},
{"weekNumber": "13","ourName": "Philadephia Eagles", "oppName": "Dolphins", "ourScore": "31",
"oppScore": "37", "location": ""},
{"weekNumber": "14","ourName": "Philadephia Eagles", "oppName": "Giants", "ourScore": "23",
"oppScore": "17", "location": ""},
{"weekNumber": "15","ourName": "Philadephia Eagles", "oppName": "Redskins", "ourScore": "37",
"oppScore": "27", "location": ""},
{"weekNumber": "16","ourName": "Philadephia Eagles", "oppName": "Cowboys", "ourScore": "17",
"oppScore": "9", "location": ""},
{"weekNumber": "17","ourName": "Philadephia Eagles", "oppName": "Giants", "ourScore": "37",
"oppScore": "17", "location": ""},
];