Visibility of elements

jQuery provides methods to control visibility of elements.

One variation of methods accepts time of animation duration and callback function cbComplete as arguments. Other variation accept the options object opt as argument.

$( ".target" ).show();

// With the element initially hidden, we can show it slowly:
$( "#clickme" ).click(function() { // show/fadeIn/slideDown
  $( "#book" ).show( "slow", function() {
    // Animation complete
  });
});

options object

The options object is a map of additional options to pass to the some methods.