I have not made any changes to the <div> tag with my CSS or JavaScript coding

Click here to see the problem I am facing on JSFiddle. I am trying to create a loading screen that will slide up after a few seconds using jQuery. Although I am familiar with HTML, JavaScript, and CSS, I am still new to jQuery. I have a feeling that the solution to my issue is simple and obvious, but I just can't seem to figure it out. My main question is: Why is the div not being affected by anything? It seems that I need to include code snippets whenever I link to jsfiddle.net...

HTML:

<div id="loader" style="height:0;width:0;">
<strong style="color:white">Loading...</strong>
</div>

JavaScript/jQuery:

var width = $(window).width();
var height = $(window).height();
document.getElementById("loader").style.height = height + "px";
document.getElementById("loader").style.width = width + "px";

CSS:

#loader {
  color: black;
  border: 1px solid black;
}

Any assistance would be greatly appreciated.

Edit: Since I do not have enough reputation to answer my own question within 8 hours of posting, I'll have to make do with this. Special thanks to Meredith for providing a solution here. Thank you.

Edit 2: After doing some research, I realized that I was trying to execute everything before the page had fully loaded. When I followed Meredith's method, it didn't work as expected. So, I updated my JavaScript/jQuery code to the following:

$(document).ready(function() {
  var width = $(window).width();
  var height = $(window).height();
  document.getElementById("loader").style.height = height + "px";
  document.getElementById("loader").style.width = width + "px";
});

After making this change, everything started working perfectly.

Answer №1

Instead of only changing the height and width of the div, using jQuery's slideUp function can smoothly slide it up after a certain amount of time. You can achieve this by adding the following code snippet after your existing JavaScript:

setTimeout(function() {
    $("#loader").slideUp()
}, 1000)

The $("#loader") code specifically targets the div with the "loader" id using jQuery. This is just one way to implement a slide up effect on a div after a set time period, which can be helpful to incorporate after your loading process completes.

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