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The popoverTargetElement seems to be one of the only cases of a reflected Element? attribute in the HTML spec, the behaviour of which is specified in section 2.6.1. Buttons can't actually toggle popovers yet because showing/hiding popovers is not implemented yet.
29 lines
925 B
HTML
29 lines
925 B
HTML
<!DOCTYPE html>
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<button id="toggleButton" popovertarget="mypopover" popovertargetaction="toggle">Toggle the popover</button>
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<div id="mypopover" popover>Popover content</div>
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<script src="../include.js"></script>
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<script>
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test(() => {
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const button = document.getElementById("toggleButton");
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const div = document.getElementById("mypopover");
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if (button.popoverTargetElement === div)
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println("PASS");
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button.popoverTargetElement = null;
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if (button.popoverTargetElement === null)
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println("PASS");
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button.popoverTargetElement = div;
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if (button.popoverTargetElement === div)
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println("PASS");
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if (button.popoverTargetAction === "toggle")
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println("PASS");
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button.popoverTargetAction = "invalid_value";
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if (button.popoverTargetAction === "toggle")
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println("PASS");
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});
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</script>
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