javascript 使用括号表示法访问属性名称

Posted 2021-05-03

let foods = {
  apples: 25,
  oranges: 32,
  plums: 28,
  bananas: 13,
  grapes: 35,
  strawberries: 27
};

function checkInventory(scannedItem) {
  let inventory = foods[scannedItem];
  return inventory;
}