Definition:
It is used to set a time delay in a program. It works like a timer or an alarm.
When you write a program and want it to run after a few seconds, you can use setTimeout().
Now you will clearly understand with the help of the flowchart.
Start | v Write your code insidesetTimeout()| v Set the time delay | v Run thesetTimeout()function | v Wait for the given time | v Code executes | v End
Syntax:
setTimeout(function() {
//This code will run after some time.
}, time_in_milliseconds);
Example:
setTimeout(function() {
console.log("Hello!");
}, 2000);
Output:
Hello!