Enhance your figures with a unique Javascript magnifying tool that works seamlessly across all browsers

After searching the web for magnifying glasses, I found that most only work for one picture. So, I took matters into my own hands and created a magnifying glass that can magnify all pictures within a specific div. It functions perfectly on Chrome browser but has strange effects on Firefox and Opera.

Is there anyone who can assist me in making this magnifying glass cross-browser compatible?

Here is the code snippet:

<style type="text/css">
#banners_magnifying{
    left: 0px;
    border-radius: 100%;
    border: 0px solid;
    width: 40px;
    height: 40px;
    overflow: hidden;
    position: absolute;
    zoom: 400%;
    -moz-transform: scale(4);
/*multiple box shadows to achieve the glass effect*/
    box-shadow: 0 0 0 4px #000000,  0 0 1px 2px rgba(0, 0, 0, 0.25),  inset 0 0 20px 2px rgba(0, 0, 0, 0.7);
    z-index: 1;
    cursor: pointer;
    visibility: hidden;
}
</style>


<script type="text/javascript" src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
<!-- Rest of the script omitted for brevity -->

If you want to see the complete code and try it out yourself, you can visit the jsfiddle link here: https://jsfiddle.net/sjg6w1zx/ Thank you for any assistance provided.

UPDATE: The images have been updated in this post to prevent broken links, now featuring two different figures: one standard and one with a transparent background.

PS. I have made adjustments to the zoom-in lines as follows:

-moz-zoom: 4;
-ms-zoom: 4;
-webkit-zoom: 4;
-moz-transform: scale(4);
-ms-transform: scale(4);
-webkit-transform: scale(4);
-moz-transform-origin: left top;
-ms-transform-origin: left top;
-webkit-transform-origin: left top;

I have also removed the line:

zoom: 400%;

Despite these changes, the magnifying glass remains consistent in size across all browsers, yet the images are not zoomed in correctly, even after adjusting according to different viewing zones.

Answer №1

Interesting observation...

I noticed a difference in how Firefox/Opera and Chrome handle the left and top properties with respect to the 'zoom' property.

As mentioned earlier, it would be best to avoid using the 'zoom' property and instead utilize transforms.

Another suggestion is to enclose your images in a div and position them based on the mouse coordinates to avoid using a foreach loop.

You could try something like this:

//$(document).ready(function(){
var scale=4;
var diameter=40;

$("#banners_magnifying").html("<div id='mcontainer'>"+$("#banners").html()+"</div>");
$("#banners_magnifying img").each(function(index) {
    var the_offset=$(this).offset();
    $(this).attr("left_i", the_offset.left);
    $(this).attr("top_i", the_offset.top);
});
// Remaining JavaScript code omitted for brevity
#banners_magnifying{
    // CSS styles for magnifying div
}
#mcontainer{
  position:absolute;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="banners" style="width:640px; height:320px; position: absolute; left:0px; top:0px;">
    <img src="http://lardopikachu.home.sapo.pt/imagens/gifs_animados/raichu1.gif" style="position: absolute;">
    <img src="https://pokemeublog.files.wordpress.com/2014/02/abf9c-pikachu2b12-bmp.jpg?w=100" style="position: absolute; left:100px; top:40px;">
</div>
<div id="banners_magnifying">
</div>
<p>mouse is at coordinates: <span id="coordinates">...</span></p>

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