题解 | #双向绑定#
双向绑定
https://www.nowcoder.com/practice/d1452ec52a134b328f23b97c02b230bd
Object.keys(person).forEach(prop => {
let oldValue = person[prop]
Object.defineProperty(person, prop, {
get() {
return oldValue
},
set(value) {
oldValue = value
_render(ul)
}
})
})
inp.oninput = function () {
person.weight = this.value
}
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