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Base: Add CSS.supports / @supports {}
test-page
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parent
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sideshowbarker
2024-07-18 02:55:17 +09:00
Author: https://github.com/AtkinsSJ Commit: https://github.com/SerenityOS/serenity/commit/2a2efdedf73 Pull-request: https://github.com/SerenityOS/serenity/pull/10400 Reviewed-by: https://github.com/Lubrsi
147
Base/res/html/misc/supports.html
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147
Base/res/html/misc/supports.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>CSS.supports()</title>
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<style>
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@supports (color: green) {
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.p1 {
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background-color: lime;
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}
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}
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@supports (color: green) and (width: 50px) {
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.p2 {
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background-color: lime;
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}
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}
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@supports (color: green) or (flogwizzle: purple) {
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.p3 {
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background-color: lime;
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}
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}
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@supports (not (flogwizzle: purple)) {
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.p4 {
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background-color: lime;
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}
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}
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.negative {
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background-color: red;
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}
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@supports (not (color: green)) {
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.n1 {
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background-color: lime;
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}
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}
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@supports (color: green) and (width: 50px) or (color: green) {
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.n2 {
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background-color: lime;
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}
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}
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@supports (width: yellow) or (height: green) {
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.n3 {
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background-color: lime;
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}
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}
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@supports (flogwizzle: purple) {
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.n4 {
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background-color: lime;
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}
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}
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.success {
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background-color: lime;
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}
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.failure {
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background-color: red;
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}
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</style>
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</head>
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<body>
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<h1>These should all be green</h1>
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<p class="p1">@supports (color: green)</p>
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<p class="p2">@supports (color: green) and (width: 50px)</p>
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<p class="p3">@supports (color: green) or (flogwizzle: purple)</p>
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<p class="p4">@supports (not (flogwizzle: purple))</p>
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<h1>These should all be red</h1>
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<p class="negative n1">@supports (not (color: green))</p>
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<p class="negative n2">@supports (color: green) and (width: 50px) or (color: green)</p>
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<p class="negative n3">@supports (width: yellow) or (height: green)</p>
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<p class="negative n4">@supports (flogwizzle: purple)</p>
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<h1>Testing CSS.supports(property, value)</h1>
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<ul id="property-success">
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</ul>
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<ul id="property-failure">
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</ul>
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<h1>Testing CSS.supports(string)</h1>
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<p>These should all be green, meaning they returned true</p>
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<ul id="output-success">
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</ul>
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<p>These should all be red, meaning they returned false</p>
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<ul id="output-failure">
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</ul>
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<script>
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let property_success = document.getElementById("property-success");
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let property_should_succeed = [
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["color", "green"],
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["width", "100%"],
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["border", "3px solid black"]
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];
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for (let it of property_should_succeed) {
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let success = CSS.supports(it[0], it[1]);
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let li = document.createElement("li");
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li.innerText = it[0] + ": " + it[1];
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li.className = success ? "success" : "failure";
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property_success.appendChild(li);
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}
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let property_failure = document.getElementById("property-failure");
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let property_should_fail = [
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["color", "20px"],
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["width", "orange"],
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["border", "9"]
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];
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for (let it of property_should_fail) {
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let success = CSS.supports(it[0], it[1]);
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let li = document.createElement("li");
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li.innerText = it[0] + ": " + it[1];
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li.className = success ? "success" : "failure";
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property_failure.appendChild(li);
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}
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let output_success = document.getElementById("output-success");
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let should_succeed = [
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"color: green",
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"(color: green) and (width: 50px)",
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"(color: green) or (flogwizzle: purple)",
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"not (flogwizzle: purple)"
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];
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for (let text of should_succeed) {
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let success = CSS.supports(text);
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let li = document.createElement("li");
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li.innerText = text;
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li.className = success ? "success" : "failure";
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output_success.appendChild(li);
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}
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let output_failure = document.getElementById("output-failure");
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let should_fail = [
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"not (color: green)",
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"(color: green) and (width: 50px) or (color: green)",
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"(width: yellow) or (height: green)",
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"flogwizzle: purple"
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];
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for (let text of should_fail) {
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let success = CSS.supports(text);
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let li = document.createElement("li");
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li.innerText = text;
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li.className = success ? "success" : "failure";
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output_failure.appendChild(li);
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}
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</script>
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</body>
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</html>
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@ -76,6 +76,7 @@
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<ul>
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<li><h3>CSSOM</h3></li>
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<li><a href="computed-style.html">Computed style</a></li>
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<li><a href="supports.html">CSS.supports() and @supports</a></li>
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<li><h3>Selectors</h3></li>
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<li><a href="selectors.html">Selectors</a></li>
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<li><a href="attrselectors.html">Attribute selectors</a></li>
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