Wikipedia:WikiProject User scripts/Scripts/Sigdash
// <syntaxhighlight lang=javascript>
// This script changes the "Your signature with timestamp" edit button to use a real em dash instead of two hyphens.
(function () {
var oldAddButton = window.addButton;
if (typeof(oldAddButton) != 'function') return;
window.addButton = function () {
if (arguments.length > 2)
arguments[2] = arguments[2].replace(/^--(~ )$/, '—$1');
oldAddButton.apply(this, arguments);
};
})();
// </syntaxhighlight>