题解 | #Proxy计数器#
Proxy计数器
https://www.nowcoder.com/practice/9911c5f8ecef4b3088ccbba397b7a984
let count = 0
const _proxy = object => {
// 补全代码
const p = new Proxy(object, {
get: function (object, prop) {
return prop in object ? count++ : count--;
}
});
return p
}
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