pre loader for entire owl carousel

Hi all,
we are using owl carousel to show a series of info block on a website.
link to test page
I am familiar with owl carousel so know that I can lazy load for individual "owl-items" containing images however I am looking to find way to add a pre loader to the entire carousel (not just individual items.
When we first open the page our carousel is not there then it simply appears after a brief delay. Id like to show that something will soon appear.
Granted my example carousel does appear quickly however we have others where the lag is more pronounced.
Hope someone can assist.
Neil_BradleyWeb UX/UI DeveloperAsked:
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Marco GasiFreelancerCommented:
You can use just a little trick.
Place this immefiately after the body tag:
<div id="pre-div">
	<div id="loader">

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Give it the desired styles:
#pre-div {
	background-color: #0000FE;
	bottom: 0;
	height: 100%;
	width: 100%;
	left: 0;
	position: fixed;
	right: 0;
	top: 0;
	z-index: 10000;
#loader {
	background-image: url("../images/ajax-loader.gif");
	background-position: center center;
	background-repeat: no-repeat;
	height: 200px;
	left: 50%;
	margin: -100px 0 0 -100px;
	position: absolute;
	top: 50%;
	width: 200px;

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if you want keep th epage viible you can just set the background of the pre-div to transparent so the visitors will see just the animated loader.
Then in your footer:
$(document).ready(function ()
	$(window).load(function () {

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Depending of the number of images owl-carousel has to display you might need to adjust the delay interval.
That's all. To me works fine. Hope to you too.
Neil_BradleyWeb UX/UI DeveloperAuthor Commented:
Hi Marco,
could this not adjusted to test if the owl carousel script has loaded?
Essentially what I am after is a pre loader to show that there is something where the owl carousel will appear.
Thansks for your input on this.
Marco GasiFreelancerCommented:
I'm not sure to understan what is the problem, so I try to guess.

1 - You are expecting to see a loader animated image which give the user the sensation something i happening but you don't see anything but a blue screen: search google to find a loader.gif to display. You can find a tons of these images: save one of them somewhere within your site and adjust the path in the css:
#loader {
	background-image: url(<relative-path-to-your-gif>);

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2 - you want the pre-div appear just in the owl-carousel div, not in the whole page: put the pre-div within the columns which holds the carousel. Don't forget to add to that column another class, something like owl-wrapper. Add this to your css:
    position: relative;

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Hope I guess your needs

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Neil_BradleyWeb UX/UI DeveloperAuthor Commented:
Hi Marco,
yes, you are correct. Its a visual clue that something will appear. The final development will pull the contents of the carousel from a database so there may be a lag while the data loads up and populates the carousel. Hence the need for some kind of visual graphic to let people know that something is happening.

I guess your solution is a simple one using plain old css. hold open the space with a wrapper dic containing a loader. The cover it with the owl when it loads.
I will give it a go and see how it looks.
Neil_BradleyWeb UX/UI DeveloperAuthor Commented:
Thanks for your assistance with this one. I think I was looking too deeply at what turned out to be a relatively straight forward solution.
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