Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Animations Test: animation-delay - negative value</title>
<link rel="reviewer" title="Zhiqiang Zhang" href="mailto:zhiqiang.zhang@intel.com"> <!-- 2015-03-18 -->
<meta name="flags" content="animated">
<meta name="assert" content="When animation-delay is set to a negative time offset,
animation will execute as soon as it is applied
but act as if the animation had started the specified
time in the past.">
<style>
div {
animation-timing-function: linear;
height: 100px;
width: 100px;
position: relative;
}
#test-negative-delay {
animation-name: test-negative-delay;
animation-duration: 10s;
animation-delay: -5s;
background-color: blue;
}
#ref-no-delay {
animation-name: ref-no-delay;
animation-duration: 5s;
background-color: yellow;
}
@keyframes test-negative-delay {
from {
left: 150px;
}
to {
left: 0px;
}
}
@keyframes ref-no-delay {
from {
left: 75px;
}
to {
left: 0px;
}
}
</style>
<body>
<p>
Test passes if there are a filled blue square with 'Filler Text'
and a filled yellow square with 'Filler Text', and if the two squares
start moving together from right to left as soon as the page loads.
</p>
<div id="test-negative-delay">Filler Text</div>
<div id="ref-no-delay">Filler Text</div>
</body>