hover vanilla javascript

var target = document.querySelector(“.button”);<br /> target.addEventListener(“mouseover”, mOver, false);<br /> target.addEventListener(“mouseout”, mOut, false);</p> <p>function mOver() {<br /> target.setAttribute(“style”, “background-color:blue;”)<br /> }</p> <p>function mOut() {<br /> target.setAttribute(“style”, “background-color:green;”)<br /> }