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dynamic_content_nodeset.html
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dynamic_content_nodeset.html
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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8" />
<title>
Dynamic content passing nodeset - Lazyload demos
</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
ul,
li {
list-style-type: none;
margin: 0;
padding: 0;
}
a,
img {
display: block;
}
img {
border: 0;
width: 220px;
height: 280px;
}
img:not([src]) {
visibility: hidden;
}
button {
position: fixed;
bottom: 10px;
width: 10em;
height: 3em;
left: 50%;
margin-left: -5em;
}
</style>
</head>
<body>
<h1>Dynamic content passing nodeset demo</h1>
<button id="addContent">
ADD CONTENT
<span class="count"></span>
</button>
<div id="results1" class="results">
<ul>
<li>
<a href="#">
<img
alt="Stivaletti"
src="./images/440x560-01.webp"
width="220"
height="280"
/>
</a>
</li>
<li>
<a href="#">
<img
alt="Open toe"
src="./images/440x560-02.webp"
width="220"
height="280"
/>
</a>
</li>
<li>
<a href="#">
<img
alt="Sneakers & Tennis"
data-src="./images/440x560-03.webp"
width="220"
height="280"
/>
</a>
</li>
<li>
<a href="#">
<img
alt="Sneakers & Tennis shoes basse"
data-src="./images/440x560-04.webp"
width="220"
height="280"
/>
</a>
</li>
<li>
<a href="#">
<img
alt="Sneakers & Tennis shoes alte"
data-src="./images/440x560-05.webp"
width="220"
height="280"
/>
</a>
</li>
<li>
<a href="#">
<img
alt="Sneakers & Tennis shoes alte"
data-src="./images/440x560-06.webp"
width="220"
height="280"
/>
</a>
</li>
<li>
<a href="#">
<img
alt="Sneakers & Tennis shoes basse"
data-src="./images/440x560-07.webp"
width="220"
height="280"
/>
</a>
</li>
</ul>
</div>
<script src="../dist/lazyload.min.js"></script>
<script>
(function () {
var count = 0,
addContentButton,
additionalContent,
target;
function logElementEvent(eventName, element) {
console.log(Date.now(), eventName, element.getAttribute("data-src"));
}
var callback_enter = function (element) {
logElementEvent("🔑 ENTERED", element);
};
var callback_exit = function (element) {
logElementEvent("🚪 EXITED", element);
};
var callback_loading = function (element) {
logElementEvent("⌚ LOADING", element);
};
var callback_loaded = function (element) {
logElementEvent("👍 LOADED", element);
};
var callback_error = function (element) {
logElementEvent("💀 ERROR", element);
element.src =
"./images/440x560-Error.webp";
};
var callback_finish = function () {
logElementEvent("✔️ FINISHED", document.documentElement);
};
var callback_cancel = function (element) {
logElementEvent("🔥 CANCEL", element);
};
ll = new LazyLoad(
{
// Assign the callbacks defined above
callback_enter: callback_enter,
callback_exit: callback_exit,
callback_cancel: callback_cancel,
callback_loading: callback_loading,
callback_loaded: callback_loaded,
callback_error: callback_error,
callback_finish: callback_finish
},
document.querySelectorAll("img")
);
additionalContent = [
'<li><a href="#"><img alt="Sneakers & Tennis shoes basse" src="./images/440x560-08.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Stivali" data-src="./images/440x560-09.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Stivali" data-src="./images/440x560-10.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Stivaletti" data-src="./images/440x560-11.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Stivaletti" data-src="./images/440x560-12.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Stivali" data-src="./images/440x560-13.webp" width="220" height="280"></a> </li>',
'<li><a href="#"><img alt="Stivaletti" src="./images/440x560-14.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Décolleté" data-src="./images/440x560-15.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Mocassini" data-src="./images/440x560-16.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Stivaletti" data-src="./images/440x560-17.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Décolleté" data-src="./images/440x560-18.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Décolleté" data-src="./images/440x560-19.webp" width="220" height="280"></a> </li>',
'<li><a href="#"><img alt="Francesine" src="./images/440x560-20.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Stivaletti" data-src="./images/440x560-21.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Décolleté" data-src="./images/440x560-22.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Mocassini" data-src="./images/440x560-23.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Mocassini" data-src="./images/440x560-24.webp" width="220" height="280"></a> </li> <li> <a href="#"><img class="lazy" alt="Stivali" data-src="./images/440x560-25.webp" width="220" height="280"></a> </li>'
];
addContentButton = document.getElementById("addContent");
target = document.querySelector("#results1 ul");
addContentButton.addEventListener("click", function () {
if (count === additionalContent.length) {
return;
}
target.innerHTML += additionalContent[count];
ll.update(document.querySelectorAll(".lazy"));
addContentButton.disabled = ++count >= additionalContent.length;
});
})();
</script>
</body>
</html>