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More articles are detailed in the official account [front end css and js dry cargo].Promise is the most exciting feature of Es6. Before that, people may have used promise through third-party libraries such as Bluebird or Q, but it did not become a standard feature of js until 2015.The Promise object represents the completion (or failure) of an ...

prefaceHello, I'm Lin Sanxin. In the most easy to understand words, the most difficult knowledge point is my motto. The foundation is the advanced premise and my initial intention. As we all know, Promise is very important in our development. I think the use level of Promise can be divided into three levels1. Master the basic use of Promise2. M ...

Note: the notes are from the video Shang Silicon Valley Web front end Promise tutorial from introduction to mastery Note: if you are a beginner, you only need to learn the basic use of Promise. Don't fall into the process of realizing handwritten Promise yourself. Understanding and use of Promise What is Promise Promise is a new technology ...

What is Promise.allSettled()! Novice and veteran? Promise.allSettled()   Method returns a statement that has been returned in all given promises   fulfilled   or   rejected   Posterior   Promise, with an array of objects, and each object represents the corresponding promise result. Next, let's take a look   ...