how to stop a function after some time in javascript code example

Example 1: js settimeout

setTimeout(() => { alert('Hello') }, 1000)

Example 2: js setinterval

function func(){
  console.log("Ran")
}
setInterval(func,1000)//Runs the "func" function every second

Example 3: javascript setinterval

setInterval(function() {
  //Your code
}, 1000); //Every 1000ms = 1sec