1-Promise的状态修改
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<script>
let p = new Promise((resolve, reject) => {
// 改变状态,
// 1.调用resolve函数, 状态由pending => fulfilled/resolved(成功)
// resolve("Ok");
// 2.调用reject函数, 状态由pending => rejected(失败)
// reject("Error");
// 3.抛出错误,或者抛出错误的实例对象
throw "出问题了!";
});
console.log(p);
</script>
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