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Test Info: Warnings
- This test has a WPT meta file that expects 2 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /html/semantics/the-button-element/command-and-commandfor/button-event-dispatch-content-attribute.html - WPT Dashboard Interop Dashboard
<!doctype html>
<meta charset="utf-8" />
<meta name="author" title="Keith Cirkel" href="mailto:wpt@keithcirkel.co.uk" />
<meta name="timeout" content="long" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/invoker-utils.js"></script>
<button
id="invokerbutton"
commandfor="invokee"
command="--custom-command"
></button>
<input
type="number"
id="invokee"
oncommand="this.value = Number(this.value) + 1"
value="0"
/>
<div popover id="popover" oncommand="return false"></div>
<script>
test(function (t) {
assert_true(
typeof invokee.oncommand == "function",
"invokee has an oncommand function",
);
assert_equals(invokee.valueAsNumber, 0, "input is equal to 0");
invokerbutton.click();
assert_equals(invokee.valueAsNumber, 1, "input is equal to 1");
}, "oncommand content attribute works");
test(function (t) {
t.add_cleanup(() => {
invokerbutton.command = "--custom-command";
});
invokerbutton.command = "show-popover";
assert_true(
typeof popover.oncommand == "function",
"invokee has an oncommand function",
);
assert_false(popover.matches(":popover-open"), "popover is not open");
invokerbutton.click();
assert_false(popover.matches(":popover-open"), "popover is still not open");
}, "oncommand content with a value of false prevents default");
</script>