promise is not a constructorpromise is not a constructor 发现new Promise的P应该大写,这里的Promise是个构造函数版权声明:本文为nightwishh原创文章,遵循CC 4.0 BY-SA版权协议,转载请附上原文出处链接和本声明。原文链接:https://blog.csdn.net/nightwishh/article/details/89491237