<!DOCTYPE HTML >
<html class="reftest-wait" >
<head >
<meta charset="utf-8" >
<title >Testcase for bug 1010538 - Dynamically change scroll-behavior</title >
<style type="text/css" >
html ,body {
color: black;
background-color: white;
font-size: 16px;
padding: 0;
margin: 0;
}
.a_box {
position: relative;
left: 0px;
top: 0px;
width: 20px;
height: 20px;
background: blue;
}
.another_box {
position: relative;
left: 2000px;
top: 2000px;
width: 20px;
height: 20px;
background: green;
}
.scroll_box {
width: 150px;
height: 150px;
overflow: scroll;
}
#scroll_2 {
scroll-behavior: auto;
}
#scroll_3 {
scroll-behavior: smooth;
}
</style >
</head >
<body >
<div id="scroll_1" class="scroll_box" >
<div id="box1a" class="a_box" ></div >
<div id="box1b" class="another_box" ></div >
</div >
<div id="scroll_2" class="scroll_box" >
<div id="box2a" class="a_box" ></div >
<div id="box2b" class="another_box" ></div >
</div >
<div id="scroll_3" class="scroll_box" >
<div id="box3a" class="a_box" ></div >
<div id="box3b" class="another_box" ></div >
</div >
<script >
function doTest() {
if (document.location.search != '?ref' ) {
// Expect smooth scroll:
document.getElementById("scroll_1" ).style .scrollBehavior = "smooth" ;
document.getElementById("scroll_1" ).scrollTo({left: 0, top: 0});
document.getElementById("scroll_2" ).style .scrollBehavior = "smooth" ;
document.getElementById("scroll_2" ).scrollTo({left: 0, top: 0});
// Expect instant scroll:
document.getElementById("scroll_3" ).style .scrollBehavior = "auto" ;
document.getElementById("scroll_3" ).scrollTo({left: 0, top: 0});
} else {
document.getElementById("scroll_1" ).scrollTo({left: 0, top: 0, behavior: "smooth" });
document.getElementById("scroll_2" ).scrollTo({left: 0, top: 0, behavior: "smooth" });
document.getElementById("scroll_3" ).scrollTo({left: 0, top: 0, behavior: "instant" });
}
// Interrupt any smooth scrolling
for (var i=1; i <= 3; i++) {
document.getElementById("scroll_" + i).scrollTo();
}
document.documentElement.removeAttribute("class" );
}
for (var i=1; i <= 3; i++) {
document.getElementById("box" + i + "b" )
.scrollIntoView({block: "start" , behavior: "instant" });
}
window.addEventListener("MozReftestInvalidate" , doTest);
</script >
</body >
</html >
Messung V0.5 C=93 H=98 G=95
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet)
¤
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