diff --git a/docs/js/JSFiddleIntegration.js b/docs/js/JSFiddleIntegration.js
new file mode 100644
index 0000000000000..462d96c2d4ff2
--- /dev/null
+++ b/docs/js/JSFiddleIntegration.js
@@ -0,0 +1,10 @@
+(function() {
+var tag = document.querySelector(
+  'script[type="application/javascript;version=1.7"]'
+);
+if (!tag || tag.textContent.indexOf('window.onload=function(){') !== -1) {
+  alert('Bad JSFiddle configuration, please fork the original React JSFiddle');
+}
+tag.setAttribute('type', 'text/jsx');
+tag.textContent = tag.textContent.replace(/^\/\/<!\[CDATA\[/, '');
+})();