Could someone please assist me with centering my JavaScript pop up on the screen? Currently, when I scroll down and activate the onclick popup, it appears at the top of the page, out of view. How can I ensure that the popup appears in the center of the screen regardless of how far I've scrolled?
<a href="javascript:void(0)" onclick="document.getElementById('light').style.display='block';document.getElementById('fade').style.display='block'">To ensure that the popup/modal is positioned at the center of the page, it is important to add CSS styling. A sample code snippet for achieving this is as follows:
.Absolute-Center {
margin: auto;
position: absolute;
top: 0; left: 0; bottom: 0; right: 0;
}
For a demonstration, you can refer to the following example: http://jsfiddle.net/4rh1zgpk/
If you are interested in understanding the origin and purpose of the CSS code I utilized, you can find more information here: http://codepen.io/shshaw/full/gEiDt
To ensure your popup displays correctly, consider implementing position:fixed within the parent element. Here is a sample code snippet to help you achieve this:
<a href="javascript:void(0)" onclick="document.getElementById('popup').style.display="block";document.getElementById('popup').style.position="fixed";document.getElementById('overlay').style.display="block";">
If you prefer, you can also define the style in your CSS stylesheet like so:
.popup{
position:fixed;
}
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