题解 | #监听对象#
监听对象
https://www.nowcoder.com/practice/2cd8f8421e9b42b98152f56ef5e0ac79
for(key in person) {
let item = person[key];
Object.defineProperty(person, key, {
get() {
return item;
},
set(val) {
item = val;
_render(ul);
}
});
}
就这一段，懒得包装了#牛客专项练习#
