MediaWiki:Common.js
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/* Any JavaScript here will be loaded for all users on every page load. */
/* Suppresses the title text on any page using {{suppress}} template. */
var containsSuppression = document.getElementById("suppression");
if (containsSuppression) {
alert("!");
var documentH1 = document.getElementsByTagName("h1");
var titleElement = documentH1[0];
titleElement.innerText = "";
}