Quick and dirty user script that displays a Markdown-formatted link to the current code point detail page after double-clicking the title

README.md

Try it on the detail page for U+1F4A9 PILE OF POO, for example.

Screenshot after double-clicking the <h1>:

codepoints.net-markdown.user.js

// ==UserScript==
// @name CodePoints.net: Double-click title to show Markdown-formatted link
// @author Mathias Bynens <http://mathiasbynens.be/>
// @match http://codepoints.net/U+*
// ==/UserScript==
 
(function(document) {
 
	var h1 = document.querySelector('h1');
	var text = h1.textContent;
	var url = document.location;
	var markdown = '[' + text + '](' + url + ')';
	h1.addEventListener('dblclick', function() {
		var element = document.createElement('code');
		element.textContent = markdown;
		h1.innerHTML = element.outerHTML;
		var selection = window.getSelection();
		var range = document.createRange();
		range.selectNodeContents(h1);
		selection.removeAllRanges();
		selection.addRange(range);
	});
 
}(document));