Tag setTimeout

We sometimes encounter the problem of calling setTimeout in a loop to iterate over, as shown below. The output result will only be 5 6, because JavaScript is single-threaded, executed sequentially, setTimeout is an asynchronous function, it will put the timer function…

Running setTimeout in a for loop is a very common pattern for front-end development. Recently, I was tested on a related question and found it very interesting and easy to make mistakes, so I recorded it as a study note.Let’s…