题解 | #Proxy计数器#
Proxy计数器
https://www.nowcoder.com/practice/9911c5f8ecef4b3088ccbba397b7a984
const _proxy = object => {
// 补全代码
return new Proxy(object,{
get(target,property,receiver) {
if(property in target) {
count++
}else {
count --
}
}
})
}
Proxy计数器
https://www.nowcoder.com/practice/9911c5f8ecef4b3088ccbba397b7a984
const _proxy = object => {
// 补全代码
return new Proxy(object,{
get(target,property,receiver) {
if(property in target) {
count++
}else {
count --
}
}
})
}
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