224 lines
8.3 KiB
HTML
224 lines
8.3 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head lang="en">
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<meta charset="UTF-8" />
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<title>
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Dynamic content - Lazyload demos
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</title>
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<style>
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ul,
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li {
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list-style-type: none;
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margin: 0;
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padding: 0;
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}
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a,
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img {
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display: block;
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}
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img {
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border: 0;
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width: 220px;
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height: 280px;
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}
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img:not([src]) {
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visibility: hidden;
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}
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.buttons {
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position: fixed;
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bottom: 10px;
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left: 0;
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right: 0;
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display: flex;
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justify-content: center;
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}
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button {
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width: 12em;
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height: 3em;
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margin: 0.5em;
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}
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</style>
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</head>
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<body>
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<h1>Dynamic content demo</h1>
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<div class="buttons">
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<button id="addContent">
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ADD CONTENT
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<span class="count"></span>
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</button>
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<button id="removeContent">
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REMOVE CONTENT
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<span class="count"></span>
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</button>
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</div>
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<div id="results1" class="results">
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<ul>
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<li>
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<a href="#">
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<img
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src="https://via.placeholder.com/440x560?text=Img+01"
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alt="Stivaletti"
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width="220"
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height="280"
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/>
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</a>
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</li>
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<li>
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<a href="#">
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<img
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src="https://via.placeholder.com/440x560?text=Img+02"
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alt="Open toe"
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width="220"
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height="280"
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/>
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</a>
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</li>
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<li>
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<a href="#">
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<img
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class="lazy"
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data-src="https://via.placeholder.com/440x560?text=Img+03"
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alt="Sneakers & Tennis"
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width="220"
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height="280"
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/>
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</a>
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</li>
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<li>
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<a href="#">
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<img
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class="lazy"
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data-src="https://via.placeholder.com/440x560?text=Img+04"
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alt="Sneakers & Tennis shoes basse"
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width="220"
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height="280"
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/>
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</a>
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</li>
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<li>
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<a href="#">
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<img
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class="lazy"
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data-src="https://via.placeholder.com/440x560?text=Img+05"
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alt="Sneakers & Tennis shoes alte"
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width="220"
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height="280"
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/>
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</a>
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</li>
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<li>
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<a href="#">
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<img
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class="lazy"
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data-src="https://via.placeholder.com/440x560?text=Img+06"
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alt="Sneakers & Tennis shoes alte"
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width="220"
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height="280"
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/>
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</a>
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</li>
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<li>
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<a href="#">
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<img
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class="lazy"
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data-src="https://via.placeholder.com/440x560?text=Img+07"
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alt="Sneakers & Tennis shoes basse"
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width="220"
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height="280"
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/>
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</a>
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</li>
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</ul>
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</div>
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<script src="../dist/lazyload.min.js"></script>
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<script>
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(function () {
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var count = 0,
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addContentButton,
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additionalContent,
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target;
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function logElementEvent(eventName, element) {
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console.log(Date.now(), eventName, element.getAttribute("data-src"));
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}
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var callback_enter = function (element) {
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logElementEvent("🔑 ENTERED", element);
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};
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var callback_exit = function (element) {
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logElementEvent("🚪 EXITED", element);
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};
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var callback_loading = function (element) {
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logElementEvent("⌚ LOADING", element);
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};
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var callback_loaded = function (element) {
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logElementEvent("👍 LOADED", element);
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};
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var callback_error = function (element) {
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logElementEvent("💀 ERROR", element);
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element.src =
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"https://via.placeholder.com/440x560/?text=Error+Placeholder";
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};
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var callback_finish = function () {
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logElementEvent("✔️ FINISHED", document.documentElement);
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};
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var callback_cancel = function (element) {
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logElementEvent("🔥 CANCEL", element);
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};
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ll = new LazyLoad({
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// Assign the callbacks defined above
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callback_enter: callback_enter,
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callback_exit: callback_exit,
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callback_cancel: callback_cancel,
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callback_loading: callback_loading,
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callback_loaded: callback_loaded,
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callback_error: callback_error,
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callback_finish: callback_finish
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});
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// Add more content
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additionalContent = [
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'<li><a href="#"><img alt="Sneakers & Tennis shoes basse" src="https://via.placeholder.com/440x560?text=Img+09" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Stivali" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+10" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Stivali" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+11" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Stivaletti" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+12" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Stivaletti" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+13" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Stivali" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+14" width="220" height="280"></a> </li>',
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'<li><a href="#"><img alt="Stivaletti" src="https://via.placeholder.com/440x560?text=Img+15" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Décolleté" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+16" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Mocassini" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+17" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Stivaletti" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+18" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Décolleté" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+19" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Décolleté" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+20" width="220" height="280"></a> </li>',
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'<li><a href="#"><img alt="Francesine" src="https://via.placeholder.com/440x560?text=Img+21" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Stivaletti" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+22" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Décolleté" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+23" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Mocassini" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+24" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Mocassini" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+25" width="220" height="280"></a> </li> <li> <a href="#"><img alt="Stivali" class="lazy" data-src="https://via.placeholder.com/440x560?text=Img+26" width="220" height="280"></a> </li>'
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];
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addContentButton = document.getElementById("addContent");
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target = document.querySelector("#results1 ul");
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addContentButton.addEventListener("click", function () {
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if (count === additionalContent.length) {
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return;
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}
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target.innerHTML += additionalContent[count];
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ll.update();
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addContentButton.disabled = ++count >= additionalContent.length;
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});
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// Remove the first 3 list items
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removeContentButton = document.getElementById("removeContent");
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removeContentButton.addEventListener("click", function () {
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var images = document.querySelectorAll("#results1 img");
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var i = 0;
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while (images[i] && i < 3) {
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var image = images[i];
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var listItem = image.parentNode.parentNode;
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var list = listItem.parentNode;
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list.removeChild(listItem);
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i += 1;
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}
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ll.update();
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});
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})();
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</script>
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</body>
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</html>
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