https://wearebombo.com/wp-content/plugins/happy-elementor-addons/a…/happy-simple-magnify.js?ver=3.12.2

1;(function($, w) {
2  w.HappySimplaMagnify = function magnify(selector, zoom) {
3
4      var img, glass, w, h, bw;
5      //img = document.getElementById(imgID);
6      img = selector;
7
8      /* Create magnifier glass: */
9      glass = document.createElement("DIV");
10      glass.setAttribute("class", "ha-img-magnifier-glass");
11
12      /* Insert magnifier glass: */
13      img.parentElement.insertBefore(glass, img);
14
15      /* Set background properties for the magnifier glass: */
16      glass.style.backgroundImage = "url('" + img.src + "')";
17      glass.style.backgroundRepeat = "no-repeat";
18      glass.style.backgroundSize = (img.width * zoom) + "px " + (img.height * zoom) + "px";
19      bw = 3;
20      w = glass.offsetWidth / 2;
21      h = glass.offsetHeight / 2;
22
23      /* Execute a function when someone moves the magnifier glass over the image: */
24      glass.addEventListener("mousemove", moveMagnifier);
25      img.addEventListener("mousemove", moveMagnifier);
26
27      /*and also for touch screens:*/
28      glass.addEventListener("touchmove", moveMagnifier);
29      img.addEventListener("touchmove", moveMagnifier);
30
31      function moveMagnifier(e) {
32        var pos, x, y;
33        /* Prevent any other actions that may occur when moving over the image */
34        e.preventDefault();
35        /* Get the cursor's x and y positions: */
36        pos = getCursorPos(e);
37        x = pos.x;
38        y = pos.y;
39        /* Prevent the magnifier glass from being positioned outside the image: */
40        if (x > img.width - (w / zoom)) {x = img.width - (w / zoom);}
41        if (x < w / zoom) {x = w / zoom;}
42        if (y > img.height - (h / zoom)) {y = img.height - (h / zoom);}
43        if (y < h / zoom) {y = h / zoom;}
44        /* Set the position of the magnifier glass: */
45        glass.style.left = (x - w) + "px";
46        glass.style.top = (y - h) + "px";
47        /* Display what the magnifier glass "sees": */
48        glass.style.backgroundPosition = "-" + ((x * zoom) - w + bw) + "px -" + ((y * zoom) - h + bw) + "px";
49      }
50
51      function getCursorPos(e) {
52        var a, x = 0, y = 0;
53        e = e || window.event;
54        /* Get the x and y positions of the image: */
55        a = img.getBoundingClientRect();
56        /* Calculate the cursor's x and y coordinates, relative to the image: */
57        x = e.pageX - a.left;
58        y = e.pageY - a.top;
59        /* Consider any page scrolling: */
60        x = x - window.pageXOffset;
61        y = y - window.pageYOffset;
62        return {x : x, y : y};
63      }
64    
65  }
66}(jQuery, window));