前端面试题 - 105. 实现一个Promise的延迟执行函
关键点:构造函数中将promise、resolve、reject挂在到this上。
class Deferred {
constructor() {
this.promise = new Promise((resolve, reject) => {
this.resolve = resolve;
this.reject = reject;
});
}
}
关键点:构造函数中将promise、resolve、reject挂在到this上。
class Deferred {
constructor() {
this.promise = new Promise((resolve, reject) => {
this.resolve = resolve;
this.reject = reject;
});
}
}
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