onhover event toggle code example

Example 1: javascript hover event

element.onmouseover = function() {
  //Hovering
}

Example 2: get hover element js

let test = document.getElementById("test");
  
// This handler will be executed only once when the cursor
// moves over the unordered list
test.addEventListener("mouseenter", function( event ) {   
  // highlight the mouseenter target
  event.target.style.color = "purple";

  // reset the color after a short delay
  setTimeout(function() {
    event.target.style.color = "";
  }, 500);
}, false);