The setTimeout method in

JavaScriptis often used when the page is refreshed, delayed execution, etc. However, many JavaScript novices still don’t know much about the usage of setTimeout. Today I will introduce JavaScript to you. Detailed explanation of the use of setTimeout()!

Usage of setTimeout

Let us run a case together. First open Notepad, paste the following code into it, and run the effect!

    
  
  haorooms博客示范网页  
 
 请等三秒!
   

The page will pop up a picture frame after staying for three seconds! This case uses the most basic syntax of setTimeout, and setTimeout will not be automatically repeated!

setTimeout can also execute functions and can be executed repeatedly! Let’s do another case together:

You can see that the number in the input text box increases every second! Therefore, setTimeout can also make time jumps in web pages!

Without a case, learning will not be fast. Let’s do an example together to calculate the time you stay on a certain page of haorooms:

     
  
 
 
 你在haorooms博客中的停留时间是: 
 
 
  
 
 
 分 
 
 
 
 
   
 
 秒。
 
 
   

How about, through the above example, how about I believe you understand the usage of setTimeout()!

Summary:

Through the above explanation, I wonder if you understand setTimeout, and will you be very skilled in using setTimeout next time? Hope it helps with your work!

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