// 方法一 obj.foo = true; // 方法二 obj[‘a‘ + ‘bc‘] = 123;
var obj = { foo: true, abc: 123 };
let propKey = ‘foo‘; let obj = { [propKey]: true, [‘a‘ + ‘bc‘]: 123 };
let obj = { [‘h‘ + ‘ello‘]() { return ‘hi‘; } }; obj.hello() // hi
原文:https://www.cnblogs.com/blogZhao/p/12560924.html