47 lines
1.7 KiB
HTML
47 lines
1.7 KiB
HTML
<!DOCTYPE html>
|
|
<meta charset="utf-8">
|
|
<title>Selectors: Change class to enable :hover</title>
|
|
<link rel="author" title="Rune Lillesveen" href="futhark@chromium.org">
|
|
<link rel="help" href="https://drafts.csswg.org/selectors/#the-hover-pseudo">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="/resources/testdriver.js"></script>
|
|
<script src="/resources/testdriver-actions.js"></script>
|
|
<script src="/resources/testdriver-vendor.js"></script>
|
|
<style>
|
|
.affected:hover { color: green }
|
|
#hoveredContents { display: contents }
|
|
</style>
|
|
<div id="hovered">Hover me - should become green</div>
|
|
<div id="hoveredContents">
|
|
<div id="hovered2">Hover me - should become green</div>
|
|
</div>
|
|
<script>
|
|
function mouseMoveToTarget(selector) {
|
|
let target = document.querySelector(selector);
|
|
return new test_driver.Actions().pointerMove(0, 0, {origin: target})
|
|
.send();
|
|
}
|
|
|
|
function testElementGreen(test, element) {
|
|
element.addEventListener("mouseover", test.step_func(event => {
|
|
assert_equals(getComputedStyle(element).color, "rgb(0, 128, 0)");
|
|
test.done();
|
|
}));
|
|
}
|
|
|
|
// Setting the affected classes here makes the two elements go from never
|
|
// reacting to hover to being affected by hover without changing computed
|
|
// style.
|
|
hovered.offsetTop;
|
|
hovered.className = "affected";
|
|
hoveredContents.className = "affected";
|
|
|
|
async_test(t => { testElementGreen(t, hovered); }, "Hover #hovered element should make it go green");
|
|
async_test(t => { testElementGreen(t, hovered2); }, "Hover #hoveredContents child should make it go green");
|
|
|
|
mouseMoveToTarget("#hovered").then(() => {
|
|
mouseMoveToTarget("#hovered2");
|
|
});
|
|
|
|
</script>
|