let apple = 48; let appleAmount = { amount0 : 20, amount1 : 40, amount2 : 48 } let number = 2; console.log(apple === appleAmount.amount+number);
在JavaScript中,您可以通过字符串名称访问属性,而不仅仅是通过点运算符:
console.log(apple === appleAmount[`amount${number}`]); // If your version supports interpolation console.log(apple === appleAmount['amount' + number]);