52 lines
1.8 KiB
HTML
52 lines
1.8 KiB
HTML
<!doctype html>
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<link rel=help href="https://html.spec.whatwg.org/#hidden-elements">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div hidden></div>
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<embed hidden>
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<embed hidden=until-found>
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<script>
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const kNotHiddenElementLocalNames = [
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"source", "track",
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];
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const kHiddenElementLocalNames = [
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"area", "base", "basefont", "datalist", "head", "link", "meta", "noembed",
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"noframes", "param", "rp", "script", "style", "template", "title",
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];
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for (let name of kNotHiddenElementLocalNames) {
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test(function() {
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let element = document.createElement(name);
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document.body.appendChild(element);
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assert_equals(getComputedStyle(element).display, "inline");
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}, `${name} should not be hidden`);
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}
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for (let name of kHiddenElementLocalNames) {
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test(function() {
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let element = document.createElement(name);
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document.body.appendChild(element);
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assert_equals(getComputedStyle(element).display, "none");
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}, `${name} should be hidden`);
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}
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test(function() {
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assert_equals(getComputedStyle(document.querySelector("div[hidden]")).display, "none");
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}, `div[hidden] element should be hidden`);
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test(function() {
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const el = document.querySelector("embed[hidden='']");
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assert_equals(getComputedStyle(el).display, "inline");
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assert_equals(getComputedStyle(el).width, "0px");
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assert_equals(getComputedStyle(el).height, "0px");
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}, `embed[hidden=''] element should be inline 0x0`);
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test(function() {
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const el = document.querySelector("embed[hidden='until-found']");
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assert_equals(getComputedStyle(el).display, "inline");
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assert_equals(getComputedStyle(el).width, "0px");
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assert_equals(getComputedStyle(el).height, "0px");
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assert_equals(getComputedStyle(el).contentVisibility, "visible");
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}, `embed[hidden='until-found'] element should be inline 0x0`);
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</script>
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