.hover js code example

Example 1: hover jquery

$( "div.enterleave" )
  .mouseenter(function() {
    n += 1;
    $( this ).find( "span" ).text( "mouse enter x " + n );
  })
  .mouseleave(function() {
    $( this ).find( "span" ).text( "mouse leave" );
  });

Example 2: javascript on hover

<img onmouseover="enlargeImage(this)" border="0" src="smiley.gif" alt="Smiley" width="32" height="32">

<script>
function enlargeImage(x) {
  x.style.height = "64px";
  x.style.width = "64px";
}
</script>