Step-by-step guide on creating a flashing effect for an image

For some, this may seem like a silly question, but I am looking to achieve a blinking effect for the last list item on my website. This list item has an image as its background and I want it to change colors rapidly, creating the illusion of blinking. Currently, I have managed to make it switch colors on hover using CSS, but I would like to utilize jQuery to animate this button and create the blinking effect...

Here is my HTML code:

<ul>
   <li id="view"><a href="#">One</a></li>
   <li id="contact"><a href="#">Two</a></li>
   <li id="checkit"><a href="#">Three</a></li>
</ul>

I have added two extra classes in the CSS named "on" and "off," which I thought could be used in jQuery to animate the background images.

#header ul li#checkit a.off{background-position: -352px 0;}
#header ul li#checkit a.on{background-position: -352px -73px;}

Is there a simple way to either change the background every 0.5 seconds or switch between the "on" and "off" classes to achieve this effect?

$(document).ready(function() {
       //$('#header ul li#checkit').addClass('on');
       //$('#header ul li#checkit').addClass('off');

       $('#header ul li#checkit').animate({ ? }, 150);
});

Thank you in advance, Marty.

Answer №1

To easily toggle multiple classes, utilize the toggleClass() method.

setInterval(
    function(){
         $('#header ul li#checkit').toggleClass('on off');
    },500
   );

Start by setting one of the two classes on the li element. Alternatively, you can use jQuery to add a class using this code in your comments:

$('#header ul li#checkit').addClass('on');

Answer №2

Implementing setInterval:

setInterval(function()
{
    // Fetch the elements and switch classes
    $('#header ul li#checkit a').toggleClass('on');
}, 500);

Instead of using an 'off' class, you can just adjust the styling of the 'on' class.

I observed that you were attempting to modify the class of the li, but applying it to the anchor in CSS. Consider adding or removing that based on the desired element

Answer №3

Discover the power of the toggle function - http://api.jquery.com/toggle/

$('#target').toggle(function() {
  $('#header ul li#checkit').addClass('on').removeClass('off');
}, function() {
  $('#header ul li#checkit').removeClass('on').addClass('off');
});

Answer №4

Grateful to Gaby

$(document).ready(function() {

   setInterval(
    function(){
        $('#checkit a').toggleClass('on');
    },500
   );

});

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