How to make this work

Question

https://code.sololearn.com/W8G5h3Y8KnGd/?ref=app

Answer 1

mistakes :

use myButton.addEventListener('click', runFunction);
instead of
myButton.addEventListener('click', runFunction());

brackets are the problem
there is not need to give brackets runFunction()

2. if it shows runFunction is not defined try to write hole thing inside
window.onload()=>{
//Your code
}

3. if window.onload()=>{ } doesn't work try to use rupali solution

Answer 2

Put your JS in script tag in Html section, it will work..

Answer 3

HrCoder Thanks, you give me my mistake, now it's work when i click button

Answer 4

Thanks, it's work now