<!doctype html >
<style >
img , object , svg, input { display: block }
div {
content: url(nonexistent.png?1);
width: 32px;
height: 32px;
}
</style >
<script >
const WORKER = "printpreview_images_sw.js" ;
if (location.href.includes("registered" )) {
console.log("REGISTERED" );
onload = function() {
postMessage("ready" , "*" );
}
onbeforeunload = function() {
navigator.serviceWorker.getRegistrations().then(function(registrations) {
for(let registration of registrations) {
registration.unregister()
}
})
navigator.serviceWorker.unregister(WORKER);
}
} else {
navigator.serviceWorker.oncontrollerchange = function() {
location.href = location.href + "?registered" ;
};
navigator.serviceWorker.register(WORKER);
}
</script >
<div ></div >
<picture>
<source srcset="nonexistent.png?2" >
<img width=32 height=32>
</picture>
<picture>
<source srcset="nonexistent.png?3" media="print" >
<source srcset="animated.gif" media="not print" >
<img width=32 height=32>
</picture>
<img src="nonexistent.png?4" width=32 height=32>
<svg width="32" height="32" >
<image x=0 y=0 href="nonexistent.png?7" width=32 height=32></image>
</svg>
<input type="image" src="nonexistent.png?6" width=32 height=32>
Messung V0.5 C=94 H=93 G=93
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet)
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