show element when mouse hover other element jquery code example

Example: hover jquery

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