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<!DOCTYPE html>
<title>
In effect animations should effectively apply will-change (i.e. force a
stacking context) (ref)
</title>
<link rel="author" href="mailto:bokan@chromium.org">
<style>
.testcase {
position: relative;
margin: 2px;
border: 1px solid black;
width: 250px;
height: 25px;
}
.label {
flex-grow: 1;
}
.container {
background-color: lightgrey;
margin: 4px;
display: flex;
width: 600px;
flex-direction: row;
justify-content: flex-end;
align-items: center;
}
.pass {
width: 100%;
height: 100%;
background-color: limegreen;
}
</style>
<!-- OPACITY -->
<!-- Is current - before phase playing forwards -->
<div class="container">
<div class="label">Opacity - before phase</div>
<div class="testcase" id="opacity-before">
<div class="pass"></div>
</div>
</div>
<!-- Is current - in play-->
<div class="container">
<div class="label">Opacity - active phase</div>
<div class="testcase" id="opacity-active">
<div class="pass"></div>
</div>
</div>
<!-- Is current - after phase playing backwards-->
<div class="container">
<div class="label">Opacity - after phase</div>
<div class="testcase" id="opacity-after">
<div class="pass"></div>
</div>
</div>
<!-- TRANSFORM -->
<!-- Is current - before phase playing forwards -->
<div class="container">
<div class="label">Transform - before phase</div>
<div class="testcase" id="transform-before">
<div class="pass"></div>
</div>
</div>
<!-- Is current - in play-->
<div class="container">
<div class="label">Transform - active phase</div>
<div class="testcase" id="transform-active">
<div class="pass"></div>
</div>
</div>
<!-- Is current - after phase playing backwards-->
<div class="container">
<div class="label">Transform - after phase</div>
<div class="testcase" id="transform-after">
<div class="pass"></div>
</div>
</div>
<!-- BACKGROUND COLOR -->
<div class="container">
<div class="label">Background-color - before phase</div>
<div class="testcase" id="bgcolor-before">
<div class="pass"></div>
</div>
</div>
<!-- Is current - in play-->
<div class="container">
<div class="label">Background-color - active phase</div>
<div class="testcase" id="bgcolor-active">
<div class="pass"></div>
</div>
</div>
<!-- Is current - after phase playing backwards-->
<div class="container">
<div class="label">Background-color - after phase</div>
<div class="testcase" id="bgcolor-after">
<div class="pass"></div>
</div>
</div>