[Solved]Why addEventListener not working?

Question

https://code.sololearn.com/WiRirgGZtoTG/?ref=app

Answer 1

You must apply any JS only after the page content is loaded. So you should put it inside window.onload like this.
window.onload = () =>{
document.getElementById("myBtn").addEventListener("click", function() {
alert("Hello World!");
});
}
Read this for reference.
https://www.sololearn.com/post/7444/?ref=app

Answer 2

Thank you Avinesh sir

Answer 3

You should use window.onload to make it work
https://code.sololearn.com/WiitLCKU3p0l/?ref=app

Answer 4

Thank youHarsh [Less active]

Answer 5

Ansheeta you're welcome.
And just Avinesh is fine.