How to prevent calling of en event handler twice on fast clicks?

Question

There is a button and when user clicks on button, some data is saved to back-end. Issue is when user clicks on button very quickly, event handler is getting executed multipl

Answer 1

var btn = document.querySelector('#twofuns');
btn.addEventListener('click',method1);
btn.addEventListener('click',method2);
function method2(){
  console.log("Method 2");
}
setTimeout(function(){
  btn.removeEventListener('click',method1);
},5000);
function method1(){
  console.log("Method 1");
}

  
  
  


Click Me!

You can remove one listener among multiple in java-script like above.