#438 Check jQuery wrapped not already loaded

README.md

@@ -338,7 +338,7 @@ Ask the containing page for its positioning coordinates. You need to provide a c
 
 Your callback function will be recalled when the parent page is scrolled or resized.
 
-Pass `false` to disable the callback. 
+Pass `false` to disable the callback.
 
 ### scrollTo(x,y)
 
@@ -525,10 +525,11 @@ The parentIFrame methods object in the iFrame is now always available and the `e
 
 ## Version History
 
+* v3.5.6 [#438](https://github.com/davidjbradshaw/iframe-resizer/issues/438) Check jQuery wrapper not already loaded.
 * v3.5.5 [#373](https://github.com/davidjbradshaw/iframe-resizer/issues/373) Add option for custom size calculation methods in iFrame. [#374](https://github.com/davidjbradshaw/iframe-resizer/issues/374) Fix bug with in page links called from parent page.
 * v3.5.4 [#362](https://github.com/davidjbradshaw/iframe-resizer/issues/362) Handle jQuery being loaded in odd ways. [#297](https://github.com/davidjbradshaw/iframe-resizer/issues/297) Ensure document ready before resizing
 * v3.5.3 [#283](https://github.com/davidjbradshaw/iframe-resizer/issues/283) Added *readystatechange* event listener.
-* v3.5.2 [#314](https://github.com/davidjbradshaw/iframe-resizer/pull/314) Add iframeHeight and iframeWidth properties to pageInfo [[Pierre Olivier](https://github.com/pomartel)]. [#303](https://github.com/davidjbradshaw/iframe-resizer/issues/303) Fix issue with IE8 polyFils. 
+* v3.5.2 [#314](https://github.com/davidjbradshaw/iframe-resizer/pull/314) Add iframeHeight and iframeWidth properties to pageInfo [[Pierre Olivier](https://github.com/pomartel)]. [#303](https://github.com/davidjbradshaw/iframe-resizer/issues/303) Fix issue with IE8 polyFils.
 * v3.5.1 [#286](https://github.com/davidjbradshaw/iframe-resizer/issues/286) Fixed *taggedElement / lowestElement / rightMostElement* to calculate correct margin [[Dan Ballance](danballance)].
 * v3.5.0 Recall getPageInfo callback when parent page position changes. Added *Array.prototype.forEach* to IE8 polyfils.
 * v3.4.2 Only teardown events on close if currently enabled.

src/iframeResizer.js

@@ -271,8 +271,8 @@
 			function debouncedTrigger(){
 				trigger(
 					'Send Page Info',
-					'pageInfo:' + getPageInfo(), 
-					iframe, 
+					'pageInfo:' + getPageInfo(),
+					iframe,
 					iframeId
 				);
 			}
@@ -304,7 +304,7 @@
 			function start(){
 				setListener('Add ', addEventListener);
 			}
-			
+
 			var id = iframeId; //Create locally scoped copy of iFrame ID
 
 			start();
@@ -978,7 +978,7 @@
 	function createJQueryPublicMethod($){
 		if (!$.fn) {
 			info('','Unable to bind to jQuery, it is not fully loaded.');
-		} else {
+		} else if (!$.fn.iFrameResize){
 			$.fn.iFrameResize = function $iFrameResizeF(options) {
 				function init(index, element) {
 					setupIFrame(element, options);