https://russia-in-us.com/wp-content/plugins/abc-copyright/abc-copyright.js

1/**
2* @author Falchenko Maxim aka be3
3* @plugin_page http://tops.net.ua/jquery_addtocopy/
4* @desc Adds a link to the copied text
5* @version 1.2
6* @example
7* $("#content").addtocopy();
8* @license free
9**/
10jQuery.fn.addtocopy = function(usercopytxt) {
11    var options = {htmlcopytxt: '<br>More: <a href="'+window.location.href+'">'+window.location.href+'</a><br>', minlen: 25, addcopyfirst: false}
12    jQuery.extend(options, usercopytxt);
13	var copy_sp = document.createElement('span');
14	copy_sp.id = 'ctrlcopy';
15	copy_sp.innerHTML = options.htmlcopytxt;
16	return this.each(function(){
17		jQuery(this).mousedown(function(){jQuery('#ctrlcopy').remove();});
18		jQuery(this).mouseup(function(){        
19			if(window.getSelection){	//good times             
20				var slcted=window.getSelection();
21				var seltxt=slcted.toString();
22				if(!seltxt||seltxt.length<options.minlen) return;
23				var nslct = slcted.getRangeAt(0);
24				seltxt = nslct.cloneRange();
25				seltxt.collapse(options.addcopyfirst);
26				seltxt.insertNode(copy_sp);
27				if (!options.addcopyfirst) nslct.setEndAfter(copy_sp);
28				slcted.removeAllRanges();
29				slcted.addRange(nslct);            
30			} else if(document.selection){	//bad times
31				var slcted = document.selection;
32				var nslct=slcted.createRange();
33				var seltxt=nslct.text;
34				if (!seltxt||seltxt.length<options.minlen) return;
35				seltxt=nslct.duplicate();
36				seltxt.collapse(options.addcopyfirst);
37				seltxt.pasteHTML(copy_sp.outerHTML);
38				if (!options.addcopyfirst) {nslct.setEndPoint("EndToEnd",seltxt); nslct.select();}
39			}
40		});
41  });
42}
43
44$('html').addtocopy({htmlcopytxt: ' &lt;a href="'+window.location.href+'"&gt;подробнее...&lt;/a&gt;'});