实现

[hello-tsai]

const test = {
a: 1,
b: 2,
c: 3
}

const ObjMap = (obj, fn) => {
const keys = Object.keys(obj)
for (let i =0 ; i < keys.length; i++) {
obj[keys[i]] = fn(obj[keys[i]])
}
return obj
}
console.log(ObjMap(test, item => item += 1))