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This article mainly explains "what is synchronization in js". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn "what is synchronization in js"?

1. If the caller can get the expected result (that is, get the expected return value or see the expected effect) when the function returns, the function is synchronized.

2. If the function is synchronized, even if the task performed by the calling function is time-consuming, it will wait until the expected result is obtained.

Example

/ / when the function returns, the expected value is obtained, that is, the square root of 2, Math.sqrt (2); / / when the function returns, the expected effect is obtained, that is, 'hello'console.log (' hello') is printed on the console; at this point, I believe you have a better understanding of what synchronization is in js, so you might as well do it in practice! Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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