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image_hidden.html
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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8" />
<title>
Hidden images - Lazyload demos
</title>
<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;
}
.dnone {
display: none;
}
.vhidden {
visibility: hidden;
}
.o0 {
opacity: 0;
}
/* Fixes Firefox anomaly during image load */
@-moz-document url-prefix() {
img:-moz-loading {
visibility: hidden;
}
}
</style>
</head>
<body>
<h1>Hidden images demo</h1>
<div id="results1" class="results">
<ul>
<li>
<p>1. Visible and eagerly loaded</p>
<a href="#1"
><img
alt="Stivaletti"
src="https://via.placeholder.com/440x560?text=Img+01"
width="220"
height="280"
/></a>
</li>
<li>
<p>2. Visible and eagerly loaded</p>
<a href="#2"
><img
alt="Open toe"
src="https://via.placeholder.com/440x560?text=Img+02"
width="220"
height="280"
/></a>
</li>
<li>
<p>3. Visible and lazily loaded</p>
<a href="#3"
><img
alt="Sneakers & Tennis"
class="lazy"
data-src="https://via.placeholder.com/440x560?text=Img+03"
width="220"
height="280"
/></a>
</li>
<li>
<p>4. Hidden with <code>display: none</code> on the image</p>
<a href="#4"
><img
alt="Sneakers & Tennis shoes basse"
class="lazy dnone"
data-src="https://via.placeholder.com/440x560?text=Img+04"
width="220"
height="280"
/></a>
</li>
<li>
<p>5. Hidden with <code>display: none</code> on the link</p>
<a href="#5" class="dnone"
><img
alt="Sneakers & Tennis shoes alte"
class="lazy"
data-src="https://via.placeholder.com/440x560?text=Img+05"
width="220"
height="280"
/></a>
</li>
<li>
<p>6. Hidden with <code>visibility: hidden</code> on the image</p>
<a href="#6"
><img
alt="Sneakers & Tennis shoes alte"
class="lazy vhidden"
data-src="https://via.placeholder.com/440x560?text=Img+06"
width="220"
height="280"
/></a>
</li>
<li>
<p>7. Hidden with <code>visibility: hidden</code> on the link</p>
<a href="#7" class="vhidden"
><img
alt="Sneakers & Tennis shoes basse"
class="lazy"
data-src="https://via.placeholder.com/440x560?text=Img+07"
width="220"
height="280"
/></a>
</li>
<li>
<p>8. Hidden with <code>opacity: 0</code> on the image</p>
<a href="#8"
><img
alt="Sneakers & Tennis shoes basse"
class="lazy o0"
data-src="https://via.placeholder.com/440x560?text=Img+08"
width="220"
height="280"
/></a>
</li>
<li>
<p>9. Hidden with <code>opacity: 0</code> on the link</p>
<a href="#9" class="o0"
><img
alt="Stivali"
class="lazy"
data-src="https://via.placeholder.com/440x560?text=Img+09"
width="220"
height="280"
/></a>
</li>
<li>
<p>10. Visible and lazily loaded, again</p>
<a href="#10"
><img
alt="Stivali"
class="lazy"
data-src="https://via.placeholder.com/440x560?text=Img+10"
width="220"
height="280"
/></a>
</li>
</ul>
</div>
<script src="../dist/lazyload.min.js"></script>
<script>
(function () {
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 =
"https://via.placeholder.com/440x560/?text=Error+Placeholder";
};
var callback_finish = function () {
logElementEvent("✔️ FINISHED", document.documentElement);
};
var callback_cancel = function (element) {
logElementEvent("🔥 CANCEL", element);
};
window.LL = new LazyLoad({
threshold: 0,
// 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
});
})();
</script>
</body>
</html>