How to use setTimeout to implement a delayed pop-up warning box in JavaScript _ javascript tips-js tutorial

This article describes how to use setTimeout in JavaScript to implement a delayed pop-up warning box. The example shows how to use the setTimeout Function in javascript, which is very useful, for more information about how to use setTimeout in JavaScript, see the following example. Share it with you for your reference. The details are as follows:

After the following code is executed, a warning box will pop up three seconds after clicking the button. It mainly demonstrates how to use setTimeout.

Click the button to wait 3 seconds, then alert "Hello ".
Try itScript function myFunction () {setTimeout (function () {alert ("Hello") }, 3000);} script

I hope this article will help you design javascript programs.