MediaWiki:Gadget-main-trivia-box.js: Difference between revisions

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-console.log("Hello world from gadget main-trivia-box!");
+findAndExecute(".rgwiki-main-trivia-box", (div) => {
+    function roll() {
+        div.querySelectorAll("li.rgwiki-main-trivia-active").forEach(x => { x.classList.remove("rgwiki-main-trivia-active"); x.classList.add("rgwiki-main-trivia-previously-active"); });
+        const elements = div.querySelectorAll("li:not(.rgwiki-main-trivia-previously-active");
+        if (elements.length !== 0) {
+            const rand = Math.floor(Math.random() * elements.length);
+            elements[rand].classList.add("rgwiki-main-trivia-active");
+        }
+        div.querySelectorAll("li.rgwiki-main-trivia-previously-active").forEach(x => { x.classList.remove("rgwiki-main-trivia-previously-active"); });
+    }
+    const buttons = div.querySelector(".rgwiki-main-trivia-buttons");
+    const a = document.createElement("a");
+    a.href = "javascript:void(0)";
+    a.addEventListener("click", roll);
+    a.textContent = "[reroll]";
+    buttons.appendChild(a);
+    roll();
+});