MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */

// Remove whitespace tags using JS. The CSS-based approach seems to work fine on Chromium-based browsers, but not very well on Firefox.
window.onload = function() {
  var paras = document.querySelectorAll(".mw-parser-output p");
  for (var i = 0; i < paras.length; i++) {
    if (paras[i].childNodes.length === 1 && paras[i].childNodes[0].nodeName === "BR") {
      paras[i].parentNode.removeChild(paras[i]);
    }
  }
}