diff --git a/themes/typing/source/js/typing.js b/themes/typing/source/js/typing.js
index 6997de5..430809e 100644
--- a/themes/typing/source/js/typing.js
+++ b/themes/typing/source/js/typing.js
@@ -24,48 +24,46 @@
 
 
   $(document).ready(function() {
-	  var QRBox	=	$('#QRBox');
-	  var MainBox	=	$('.MainBox');
-	  var BTCQR	=	$('#BTCQR');
-	  var AliPayQR	=	$('#AliPayQR');
-	  var WeChatQR	=	$('#WeChatQR');
-    var currentQR;
 
-	  function showQR(QR) {
-		  $('#DonateText,#donateBox,#github').addClass('blur');
-      currentQR = QR;
-		  QRBox.fadeIn(300,function(argument) {
-			  QR.addClass('showQR');
-		  });
-	  }
+    // Add "Copy" button to code snippet
+    var pre = document.getElementsByTagName('pre');
 
-	  $('#donateBox>li').click(function(event) {
-		  var thisID	=	$(this).attr('id');
-		  if (thisID === 'BTC') {
-			  showQR(BTCQR);
-			  new Clipboard('#BTCBn');
-		  } else if (thisID === 'AliPay') {
-			  showQR(AliPayQR);
-		  } else if (thisID === 'WeChat') {
-			  showQR(WeChatQR);
-		  }
-	  });
+    for (var i = 0; i < pre.length; i++) {
+      var button = document.createElement('button');
+        button.className = 'copy-button';
+        button.textContent = 'Copy';
 
-	  MainBox.click(function(event) {
-		  if (currentQR) currentQR.removeClass('showQR').addClass('hideQR');
-		  setTimeout (function(a) {
-			  QRBox.fadeOut(300,function(argument) {
-				  MainBox.removeClass('hideQR');
-			  });
-			  $('#DonateText,#donateBox,#github').removeClass('blur');
-		  },600);
+        pre[i].appendChild(button);
+    }
+
+    var copyCode = new ClipboardJS('.copy-button', {
+      target: function(trigger) {
+          return trigger.previousElementSibling;
+      }
     });
 
+    copyCode.on('success', function(event) {
+      event.clearSelection();
+      event.trigger.textContent = 'Copied';
+      window.setTimeout(function() {
+          event.trigger.textContent = 'Copy';
+      }, 2000);
+    });
+
+    copyCode.on('error', function(event) {
+      event.trigger.textContent = 'Press "Ctrl + C" to copy';
+      window.setTimeout(function() {
+          event.trigger.textContent = 'Copy';
+      }, 2000);
+    });
+
+    // Navigation menu
     $('#menu').click(function (event) {
       var nav = $('#main-nav');
       nav.toggle('fast');
     });
 
+    // Show navigation button for smaller screen
     $(window).resize(function () {
       var viewportWidth = $(window).width();
       if (viewportWidth > 468) {
@@ -75,4 +73,5 @@
       }
     });
   });
-})(jQuery)
\ No newline at end of file
+})(jQuery)
+