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This article mainly introduces the relevant knowledge of javascript how to set delay for a few seconds, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value. I believe you will gain something after reading this javascript article on how to set delay for a few seconds. Let's take a look at it.

In JavaScript, you can use the setTimeout () method to set a delay of several seconds, which is used to call a function or evaluate an expression after a specified number of milliseconds, with the syntax "setTimeout (code to be executed, number of milliseconds to wait)".

The operating environment of this tutorial: windows10 system, javascript1.8.5 version, Dell G3 computer.

How does javascript set delay for a few seconds?

SetTimeout () is a method belonging to window that is used to call a function or evaluate an expression after a specified number of milliseconds.

Syntax formats can be in the following two ways:

SetTimeout (code to be executed, milliseconds to wait) setTimeout (JavaScript function, milliseconds to wait)

Examples are as follows:

SetTimeout ("alert ('this appears in 3 seconds')", 3000)

Output result after 3 seconds:

Examples are as follows:

Function timedMsg () {var t=setTimeout ("alert ('5 secondsgiving')", 5000)}

Click the button above. A message box is displayed after 5 seconds.

Output result:

Click the button for 5 seconds to output the result:

This is the end of the article on "how to set delay in javascript for a few seconds". Thank you for reading! I believe you all have a certain understanding of "how to set delay in javascript for a few seconds". If you want to learn more, you are welcome to follow the industry information channel.

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