var someEventHander=function(event){ console.log("do something"); } //add listener document.getElementById("someid").addEventListener('click',someEventHander); //remove listener document.getElementById("someid").removeEventListener('click',someEventHander);
// type function element.removeEventListener("mousedown", handleMouseDown) // full type list available here: https://developer.mozilla.org/en-US/docs/Web/Events
element.removeEventListener(event, listener, useCapture)