fix(jqLite): use jQuery only if jQuery.fn.on present

snapwich · snapwich · commit e9bc51cb0964 · 2014-05-11T18:58:08.000-06:00
Make Angular not bind to jQuery versions older than 1.7 since older
versions of jQuery do not support necessary on()/off() methods.
diff --git a/src/Angular.js b/src/Angular.js
@@ -1433,9 +1433,9 @@ function bindJQuery() {
   var originalCleanData;
   // bind to jQuery if present;
   jQuery = window.jQuery;
-
-  // reset to jQuery or default to us.
-  if (jQuery) {
+  // Use jQuery if it exists with proper functionality, otherwise default to us.
+  // Angular 1.2+ requires jQuery 1.7.1+ for on()/off() support.
+  if (jQuery && jQuery.fn.on) {
     jqLite = jQuery;
     extend(jQuery.fn, {
       scope: JQLitePrototype.scope,
