innerhtml replace code example

Example 1: change innerhtml

document.getElementById("p1").innerHTML = "New text!";

Example 2: innerhtml mozilla

var boxElem = document.querySelector(".box");

boxElem.addEventListener("mousedown", logEvent);
boxElem.addEventListener("mouseup", logEvent);
boxElem.addEventListener("click", logEvent);
boxElem.addEventListener("mouseenter", logEvent);
boxElem.addEventListener("mouseleave", logEvent);