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Mobile Android Chrome not working great with HTML5 and CREATEJS - freezing issues

I have developed an app using HTML5 and CREATEJS. I am encountering some issues that I cannot find a solution, for weeks. I hope someone can help.
1)On Android Google Chrome there is a problem that appears when I simply click anywhere on the screen: the FPS drops and any animation that is playing freezes for the duration of my touch. The problem is only in Mobile Chrome browser, on Android. It does not exist in other mobile browsers, neither in iPhone, neither in Safari, Firefox, etc.
I created a simple apk using webview and it doesn't have the problem either. So for some reason, the problem is only in mobile android chrome.
The code is optimized at maximum. 2 months ago we used only 1 canvas, but now we use multiple canvases and we have less animations in each canvas running everytime. While in android firefox it works perfect, but in android chrome it freezes for a single click.
I tried to disable stagemousedown/up events, because they are being triggered when I simply click anywhere in the stage. This didn't fix the problem or it is possible that there are some hidden stagetouch events that I don't know how to disable.
2)On Android Google Chrome and iPhone6 Safari, when I click the SPIN button, the game starts the SPIN, but with a delay of at least 1.5 seconds, but there is no such delay added with intention inside the code. On PC any browser, Android/iOS Mobile Firefox, this works perfect, no delay. In iOS Safari iPhone8 again it works perfect.
I created a simple apk using webview and it doesn't have this problem either. So for some reason, the problem is only in mobile android chrome.
UPDATE 11/10/19: Issue 2 has been solved by reducing canvas size and removing all shadow effects which consumed a lot of memory. Issue 1 still remains unsolved with absolutely no ideas left to try out. Any help is appreciated.
My project is 99% completed except these 2 issues. I am hoping to be able to fix them, because I really do not want to throw away months of work and switch to other javascript library for gaming, that doesn't have the problem, like PIXIJS.
I tried with RAF and RAF_SYNCHED, but still no improvement in any scenario.
Stage.update() is required for any animation. Having them on ticker is the reason why its getting slower.
To see the problem in action, please open this URL: http://www.nevergone.biz/DEMO_CODE/index.html
How to test: Open the link above in Android Google Chrome portrait mode and then click SPIN. During SPIN click above the game canvas or anywhere. Notice that everything freezes.
The code was extracted only for testing these issues, so after a few spins it may freeze. I will fix this tomorrow, but I hope someone can give some ideas for solving the problem.

Problem #1 is apparently isolated on some older devices that use Android Google Chrome. The problem is somehow caused by CREATEJS using too many listeners on the stagedown event. I am currently waiting for the developer of the framework to give an answer or for Chrome to receive a serious update.
Problem #2 was fixed by removing all text-shadow CSS effects which apparently were consuming a lot of memory.

cache might work.
var testShape=new createjs.Shape();
testShape.graphics.beginFill("red").rect(0,0,100,100);
testShape.cache(0,0,100,100);
stage.addChild(testShape);
// If you make changes and want to refresh the cache
testShape.updateCache()

Odd dropdown/select behavior in phonegap on iOS

We have a phonegap/ionic application targeting iOS. We have been testing with the ipad air simulator (xcode) and ipad air (10.3.3), ipad Pro (11.0.3).
The app is an ionic (v1) app that downloads and loads stand alone html files (the files contain css, html, js in one doc). The documents are typically long forms. In all test environments we are getting odd behavior with selects/drop downs.
When you click/tap on a select the options will appear correctly.
Then when you click/tap somewhere else, blank space or another input field you will usually get the select options bubble again but it will be empty.
In the above image I made my selection from the options and then clicked into the next field.
This was intermittent at first and now it seems to happen all the time. It seems like it has something to do with losing focus but I am unable to see why this is popping back up. I haven't found anything very useful from searching online in regards to this problem.
UPDATE 11/7/17
After more thorough searching this seems to be due to building the app with xcode 9 and/or the use of UIWebView vs WKWebview. I also looked through the code more to see we were already using WKWebView not UIWebView and the problem is still present. As someone mentioned in this thread.

Good thing is Cordova has support for WKWebView too. You have to install the plugin: cordova-plugin-wkwebview-engine

Typing in text field in iOS version of trigger.io app causes everything except background to disappear

UPDATE #2
So we found out how to debug our application utilizing the safari debugger. For those of you interested, here's the link on how to do this:
http://appletoolbox.com/2014/05/use-web-inspector-debug-mobile-safari/
Using this, we figured out that our issue was actually related to CSS that we were using in our code. In our body class, we had the attribute "overflow-y: auto". Upon deletion of this line of code, everything worked again in mobile safari.
~~~~~~~~~~~~~~~~
UPDATE: Upon further testing. It looks like if I go to the web version of this application (hosted on our server) from the safari app on our iPad, this bug still happens. If I do the same on the mac version of safari though, then this bug does NOT happen. Hopefully this information might be helpful.
~~~~~~~~~~~~~~~~
So we have a javascript hybrid application that's compiled using the trigger.io toolkit. Jquery, backbone.js, and marionette.js are use in this project. We just started testing on iOS devices.
Everything works fine on both the web / android versions of this app, but on iOS (both simulator and device), the following bug is occurring:
Upon loading up the application, on the first view, when you first tap into a text field the application freezes briefly. After the application unfreezes, the following error code is output into the trigger.io console:
_BSMachError: (os/kern) invalid capability (20)
_BSMachError: (os/kern) invalid name (15)
Everything looks fine, but then if you type more than one letter into the textfield, the entire application disappears except for the background view. You can tap out of the text field, and everything returns into view, but obviously this is something customers shouldn't be experiencing.
I've researched a bit, and some suggestions have said to try and edit the info.plist file. I've looked everywhere, but I can't seem to find this file. It's seeming like trigger.io hides this from the developer somehow.
Does anybody have any ideas as to what might be causing this issue or how to fix it?
Thanks!

So we found out how to debug our application utilizing the safari debugger. For those of you interested, here's the link on how to do this:
http://appletoolbox.com/2014/05/use-web-inspector-debug-mobile-safari/
Using this, we figured out that our issue was actually related to CSS that we were using in our code. In our body class, we had the attribute "overflow-y: auto". Upon deletion of this line of code, everything worked again in mobile safari.

'Firebug' for iPad

I have a site that uses javascript to launch a css overlay of a google map (see [link deleted because I can only have one at a time] and click the 'Enlarge' button under the map).
This doesn't work on the ipad. I believe it has something to do with this not being a link, but using the jquery live('click',.. approach. I need to fix this but I'm new to using the ipad and I don't even know how to step through the javascript to see what the problem is.
What kind of development tools are available for testing on the ipad?
Edit: My mistake. The link above works fine in the iPad - no problem bringing up the larger map. However the sister site http://lowes-realty.com/Stateline-Plaza_Enfield_CT-11.aspx is not working. What I need is a development system that will let me look at them both on the ipad (I really want to avoid emulating or spoofing).

Have you tried firebug lite?
http://getfirebug.com/firebuglite#Install
Have you tested this in google chrome? As google chrome is a webkit browser, you may be able to do the majority of your debugging in chrome, and iron out smaller issues on the iPad itself.
Edit:
Removed unnecessary comment about iPad.

The problem ended up being that I had a javascript error that aborted the script before I ever got to the jQuery code. Once I fixed that, I was able to use jQuery without making any special modifications for the ipad - awesome! I did not have to do anything with the swipe or tap events (sweet!).
However I was not able to get any kind of javascript debugger; I had to work this one out for myself. As of Nov '09 firebug lite crashed the ipad for me and there don't seem to be any developer tools build for testing the ipad. I tried several sites that claimed to perform the same way the ipad does in your browser and not one of them held water.
I have no reason to believe that there is a good option for debugging a site on an ipad (yet).
Edit A Year Later... I'm still looking for a good way to develop on an iPad. I just got Adobe Shadow up and running - it's not actually a useful tool, but there is potential (http://tv.adobe.com/watch/adobe-technology-sneaks-2012/adobe-shadow). Right now (3-29-12) the code inspector is essentially non-functional (cannot view inherited styles, can't view elements without expanding the DOM from the body element, no javascript debugging, and much more).
I know that sounds hopeless, but it has one thing going for it that nothing else I'm aware of does: Shadow works with all existing mobile devices and its code inspector is independent of device and browser. So although the inspector sucks spectacularly right now, once they build some functionality into it Shadow could be a good solution. From their site:
Shadow will be updated regularly to stay ahead of web standards, web
browser updates and support for new mobile devices entering the
market, while incorporating user feedback to provide the best
functionality and experience possible.
~ http://labs.adobe.com/technologies/shadow/

I think the problem is that on the iPhone / iPad there are no clicks events generated but instead touch events (swipe, tap).
You can use something like jQTouch (you can start reading here Getting started and then proceed to callback events hint: tap==click).
If you have more to adapt you can also look at (and wait for a stable release) of jQuery Mobile

weinre lets you remotely attach a WebKit inspector (the built-in Dev Tools you use on desktop browsers) to a page running on your mobile device (iPad/iPhone/iPod/Android/BlackBerry 6/webOS) over WiFi.
http://phonegap.github.com/weinre/images/weinre-demo.jpg
JavaScript debugging is limited to console.logs, but it's better than nothing.
If you have an ICS device, Chrome Mobile lets you remotely attach a full-featured Inspector (with full JS debugging/breakpoints) over USB. I've been thoroughly thrilled using this tool with my Galaxy Nexus.
(source: google.com)

Lightbox-style dialog shows below YouTube movie on Mac OS 10.6

This is a "but it works on my machine" one and could be tricky:
I have a lightbox-style HTML dialog that shows a menu on top of a web page. It can be injected into any web page via a JavaScript bookmarklet.
One of my users is trying to use it on YouTube.com with the result that the flash movie is rendered on top of the dialog (a div with high z-index).
I can't reproduce this. It works just fine for me. The dialog shows up on top of everything else on youtube.com, the video included.
I had him save the page in Safari as Webarchive and send it to me. Even that shows the menu rendered correctly for me.
I use the exact same version of Safari (4.0.5/531.22.7) and Flash (10.1 r53, latest beta). Only difference I could find is that he uses Snow Leopard (10.6.6) and I "only" 10.5.8.
Has anybody noticed similar problems? I'm afraid that the usual wmode recommendation won't solve this (I tried & it works on my machine anyway)...
Thanks!
Mark

Turned out to be a problem with the combination of Flash Beta and Mac OS 10.6. I had the user revert to the latest production release of the Flash player and everything worked as it was supposed to.