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Most people do not understand the knowledge points of this article "JavaScript how to achieve the screensaver function after no operation", so the editor summarizes the following content for you. The content is detailed, the steps are clear, and it has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "how to achieve screensaver function after no operation in JavaScript" article.

The code is as follows:

Screen saver test var message; / get p tag var t=setTimeout ("delayTask ()", 3000); / / delay 3 seconds to execute deferred task / / defer task specific operation function delayTask () {/ / display time message.innerText= new Date () in the tag after delay; / / replace this line with the display operation you want to do clearTimeout (t) } / / move the mouse to reset the deferred task function resetTask () {/ / reset the contents in the tag message.innerText = ""; / / replace this line with the cancel operation you want to do clearTimeout (t); t=setTimeout ("delayTask ()", 3000);} / / load the function when the page loads. Function loading () {message = document.getElementById ("message"); _ document.onmousemove = resetTask;} _ window.onload = loading

Display time after no operation for 3 seconds:

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