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[Edge] indexedDB storage limit

October 12, 2018, 8:47 am
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Hi,

I am currently working on cache eviction for indexedDB in Edge. And I need help to determine the max cache size for my app.

I took a look into the official documentation on this: https://docs.microsoft.com/en-us/previous-versions/windows/internet-explorer/ie-developer/compatibility/mt732551(v=vs.85)

which seems outdated because when I tried myself, there is no 500MB limit per domain when we have disk volume larger than 128GB.

Because the app also needs to support device with limited storage such as surface hub 1st gen which has 8GB, it makes 10MB per each domain in that case unacceptable since any entry stored by my app will be above 10MB.

Could you please answer my below questions?

1. What is the most updated IndexedDB limit for Edge for different disk volumes?

2. Can we override the limit control if we need more space in Edge? (I know we can do it in some other browsers)

3. Will edge throw errors when the cache is full (e.g. QuotaExceededError) that we can catch (I cannot find any now..)?

4. Will edge supports cache auto eviction in the future?

I am using Microsoft Edge 42.17134.1.0

Thanks!

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Internet Explorer version shuts down my productivity tool

October 12, 2018, 6:35 am
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Hi there,
We are a company having developed a Productivity Assesment tool for our own employees. We are facing a problem with Internet Explorer version 11.492

Issue:
When I use this tool on Internet Explorer (IE) version 11.492, the tool gets <g class="gr_ gr_24 gr-alert gr_spell gr_inline_cards gr_run_anim ContextualSpelling ins-del" data-gr-id="24" id="24">shutdown</g>.

Observation: 
There may be a security feature that might be present in this version of the IE that is hindering my tool.
Other than this version of the IE, my tool functions normally with other versions of IE along with other Web browsers.

Request: 
- We would like to know how to get around this <g class="gr_ gr_32 gr-alert gr_gramm gr_inline_cards gr_run_anim Punctuation only-del replaceWithoutSep" data-gr-id="32" id="32">issue,</g> so that my tools <g class="gr_ gr_31 gr-alert gr_gramm gr_inline_cards gr_run_anim Grammar multiReplace" data-gr-id="31" id="31">works</g> well with IE 11.492
- Which <g class="gr_ gr_25 gr-alert gr_spell gr_inline_cards gr_run_anim ContextualSpelling ins-del multiReplace" data-gr-id="25" id="25">patchfile</g> should we add to our tool? Or how can we customize it?

We appreciate your help!
Thanks
Manas
manasphadnis@gmail.com
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localStorage bug on some versions of IE8

March 4, 2013, 8:14 am
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I am a Javascript developer for a large news website. Recently we have started
using HTML5 localStorage. Some of our customers have complained about a
localStorage bug when using certain versions of IE8.

=== THE PROBLEM ===
The page hangs when this piece of code is run:

----------------------------------------------------
function hasLocalStorage() {
    try {
        return 'localStorage' in window && window['localStorage'] !== null;
    } catch(e){
        return false;
    }
}

// ...

if(hasLocalStorage()){
    window.localStorage.setItem("some_string", someStringVariable);
}

----------------------------------------------------

The above works in all browsers, except certain versions of IE8.

When I say this works on all other browsers I mean that older browsers such as IE7 fail gracefully. Only certain versions of IE8  pass the "return 'localStorage' ..." test but crash when localStorage is actually accessed.

=== TROUBLESHOOTING ===
Are we using the correct doctype declaration: "<!DOCTYPE html>"? -- YES

Try wrapping setItem() in a "try/catch" block. --  DONE, STILL HANGS

One of our users opened a ticket with Microsoft and was sent a stack trace of the crash. I can supply it if there is anyone in this forum who can interpret it.

Our QA team, which is offsite, has been able to reproduce the problem on some boxes, but I have not been able to do so on any of our development boxes, so my ability to troubleshoot the problem is limited.

Examples of QA boxes that have this issue:
  IE8 Version: 8.0.6001.18702IC on Win XP SP3
  User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; BOIE8;ENUS)

  IE8 Version 8.0.7601.17514 on Windows 7, Service Pack 1
  User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MS-RTC LM 8; .NET4.0C; .NET4.0E; InfoPath.3)

Example of a Developer box that has one of the problematic versions of IE8 but does not hang on our site. (This suggests that it might be a combination of IE8 and .NET framework that causes the problem.)
  IE8 Version: 8.0.6001.18702IC on Win XP SP3
  User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; InfoPath.3; BO1IE8_v1;ENUS)

=== CURRENT RESOLUTION ===
We have rewritten hasLocalStorage() to exclude all IE browsers below IE9. This is a very poor solution as we have over 1 million page views daily on IE8, and those viewers are being denied the full UX for our site.

=== QUESTIONS ===
- Has anyone else experienced a problem with IE8 versions 8.0.6001.18702IC or 8.0.7601.17514?

- Is there a way to use localStorage that works on all versions of IE8?

- If that is not possible, is there a way to detect which versions of IE8 have this bug? (If so I will be able to rewrite hasLocalStorage() so that it only excludes those versions.)
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How do I save changes I make in the developer tool

March 30, 2015, 3:24 pm
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I am just teaching myself to build a word press website. I find many times that the IE development tool makes it much easier for me to make changes to the site and experiment with different things. My problem is one I make changes I need I always loss the changes. Is their a way to save the changes I made so they stay permanent on the website I am building. Any responses would be greatly appreciated.

Thank you

Avery

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iframe stealing focus

September 27, 2006, 6:40 pm
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Hi,

Is there a clean way to have focus retained by a parent page (.asp) when there exists iframed content that is uncontrolled (and trying to steal focus)?

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EDGE Profiling FPS Show Values?

October 17, 2018, 11:23 pm
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I posted this question into the Microsoft Community Forums and was told to post into MSDN Forums instead.

Below is a repeat from my original post:

"

Is there a way to find the fps values from using the Edge profiling tool?

Right now, I see the general visual representation, but where's the values associated with the generated report?

"

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IE11 window name is reset to the original after every load

December 3, 2013, 7:58 am
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IE iframe window name is reset back to the original after every load.

Steps to reproduce:

1. Create a form with a target set to iframe named NAME-A.

2. Submit a form method=A

3.  on load A sets window name to NAME-B

4. IE returns iframe.contentWindow.name = NAME-B (correct)

5. change iframe src to B

6 B is not making changes to window.name.

7. on load iframe.contentWindow.name is set back to NAME-A (incorrect, since it wasn't changed and should still be NAME-B).

Thanks.

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Edge extension background scripts not working.

October 18, 2018, 12:04 pm
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With the edge extension installed I expect the background script to work.

I've tried both of the two following options;

"background": {"page": "background.html","persistent": true
    },
"background": {"scripts": ["handlers.js"],"persistent": false
      },

The background page option just links to the html doc with this:

<html><script type="text/javascript" src="carmelhandlers.js"></script></html>

Why are none of these options working? The script doesn't run unless I link to it from the popup's html and activate the popup.

Please help,

Thanks in advance.

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Background scripts not running in Edge extension.

October 19, 2018, 4:18 pm
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With the edge extension installed I expect the background script to work, I've tried both of the two following options;

"background":{"page":"background.html","persistent":true},
"background":{"scripts":["handlers.js"],"persistent":false},

The background page option just links to the html doc with this:

<html><scripttype="text/javascript"src="carmelhandlers.js"></script></html>

Why are none of these options working? The script doesn't run unless I link to it from the popup's html and activate the popup.

For the entire extension (in its current state) please download that here: https://drive.google.com/file/d/1d1P37okRLO4X1cIpY01O-ilVDqygyU5k/view

Please help,

Thanks in advance.

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Test thread

October 22, 2018, 3:08 am
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CORS Issue on IE11 - calling https --> http

September 28, 2018, 4:08 am
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Hello

we have an Angular 5 project that is running off an HTTPS enabled site. https://abc.com/myapp. I am trying to invoke a legacy service which is non-https, but has enabled CORS headers for my client. The call works in Chrome, I can see the Access-Control-Allow-Origin header flowing from the svc to the client. But in IE11, the call does not even reach the server. It is being blocked by the browser itself and I get an Access is Denied error on the console. Any ideas how this can be fixed? Changing IE11 Settings is not an option, it is controlled centrally by firm policy.

Vik

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What is IE 11 browser specification?

October 23, 2018, 8:55 pm
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Hi,

What is IE 11 Browser specification? till what resolution or DPI image  it supports?

Actually i am trying to open  an png image on IE 11 , which is having resolution approx. 6000 pixel , but it is loading partially. Same image is loading perfectly in other browser. 

System Configuration:   OS - Windows 10  ,  Browser - IE 11 (32 bit and 64 bit).


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"Error Code: INET_E_RESOURCE_NOT_FOUND" when access to a virtual host by Microsoft Edge

October 26, 2018, 12:13 am
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Hi guys.

I'm new to web developing and now I have some problems trying to access to a virtual host on Microsoft Edge. Its server is CentOS which runs on VMware. I can access to that virtual host on Chrome, Firefox, IE without any problem, but when I try testing it on Edge, it just shows these errors:

"Hmmm...can’t reach this page"

and "Error Code: INET_E_RESOURCE_NOT_FOUND" all the time. My Edge version is 42.17134.1.0

I appreciate every support. Thanks in advance.

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IE11 making XHR requests for new URL after url change via history API navigation

October 26, 2018, 5:23 pm
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Our single-page app must support IE 11. This app uses the HTML 5 history API (pushState, etc) for changing the URL without page loads when navigating around. I've noticed that whenever these URL changes occur, I see a security error logged in the console for a failed network request (CORS related). It appears the IE11 is trying to do an XHR requestfor the new URL! Obviously this is not something that I want to happen.

Why is IE11 trying to do an XHR fetch a page after the URL change? Is there a way to get it to not do this? This is causing tons of error logging spam for us.

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Steps to reduce high memory usage of Internet Explorer.

October 29, 2018, 11:59 pm
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User can follow steps below to reduce the high memory usage consumed by Internet Explorer.

 

(1) In Internet options, On the General Tab click Tabs button and unchecked the option "Show Previews for individual tabs in the task bar".

 

(2) Go to the "Advanced" tab in "Internet Options" and checked "Use software rendering instead of GPU rendering".

 

(3) Try deleting Temporary Internet Files and cookies.

 

(4) Temporarily disable all the add on and turn on them one by one and check the consumed memory every time. If you find any add on consume high memory, then remove it from IE.

 

(5) Try to set a light weight Homepage.

 

(6) Try to create a less tabs and check in Task manager whether consumed memory is less or high as before.

 

(7) Try to check whether there is any memory leaks or issue caused by a faulty update.

MSDN Community Support
Please remember to click "Mark as Answer" the responses that resolved your issue, and to click "Unmark as Answer" if not. This can be beneficial to other community members reading this thread. If you have any compliments or complaints to MSDN Support, feel free to contact MSDNFSF@microsoft.com.

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Loading of web page is slower in IE11 on Windows 7

October 31, 2018, 5:04 am
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We are accessing a web application in Internet Explorer 11 on Windows 7 and Windows 10. On both machines the files are getting stored in the Temporary Internet Files folder. However a page takes more time to load in IE11 - Windows 7 compared to Windows 10 e.g. on IE11 - Windows 7 the page takes 50 seconds to load while on IE11 - Windows 10 the same page takes 25 seconds to load.

In Internet Options - General - Settings, the 'Check for newer versions of stored pages' is set to 'Automatically' on both machines.

Any idea why the loading of pages is slower in IE11 - Windows 7 compared to IE11 - Windows 10? Is this the typical behavior of IE11 on Windows 7?

Thanks,
Sunil

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IWebBrowserApp - Can I set the locale?

November 1, 2018, 12:16 pm
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I have an app that uses COM to create the IE web browser object and then uses IWebBrowserApp for various API calls. I have a need to ensure that the language our application is using is the same language the browser uses as it navigates to a website. The website developers detect the locale of the browser. I always want the browser and application to use the same locale. Is there a way to set it programmatically for the browser I am launching? IWebBrowserApp has a PutProperty API. Any chance it supports changing the locale?

R.D. Holland

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IE 11 flexbox with flex-wrap: wrap doesn't seem to calculate widths correctly (box-sizing ignored?)

February 21, 2014, 11:21 am
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Seems IE11 doesn't calculate flex item widths properly if flex-wrap: wrap is used.

See http://jsfiddle.net/MartijnR/WRn9r/20/

The 4 boxes each have flex-basis: 50% so we should get two lines of two boxes each, but in IE11 each box gets one line. When setting the border-width to 0, it works correctly.

Is this is a bug, and/or is there is way to make IE11 behave (and still use borders)?

<section>
    <div class="box">1</div>
    <div class="box">2</div>
    <div class="box">3</div>
    <div class="box">4</div>
    <div class="box">5</div>
</section>
section {
    display: -moz-webkit-flex;
    display: -webkit-flex;
    display: flex;
    -ms-flex-direction: row;
    -moz-flex-direction: row;
    -webkit-flex-direction: row;
    flex-direction: row;
    -ms-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    width: 100%;
    box-sizing:border-box;
    margin:0;
}
.box {
    border: 1px solid black;
    background: #ccc;
    display: block;
    -ms-flex: 50%;
    -moz-flex: 50%;
    -webkit-flex: 50%;
    min-width: 50%;
    flex: 50%;
    box-sizing: border-box;
    margin:0;
}



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IE11 - Windows 7, web page files are downloaded each time the page is refreshed instead of retrieving from cache

October 31, 2018, 5:04 am
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We are accessing a web application in Internet Explorer 11 on Windows 7 and Windows 10. On both machines the files are getting stored in the Temporary Internet Files folder. However pages take more time to load in IE11 - Windows 7 compared to Windows 10 e.g. on IE11 - Windows 7 the page takes 50 sec to load while on IE11 - Windows 10 the same page takes 25 sec to load.

In Internet Options - General - Settings, the 'Check for newer versions of stored pages' is set to 'Automatically' on both machines.

Found that when we load our web page in IE11 (Windows 7), hit F12 and refresh the page, in the Network tab we see that each time we refresh the page, files are downloaded instead of getting it from cache. The Result column displays "200". This is creating a performance issue. We turned off the "Always refresh from server" option in the Network tab and then we noticed that for multiple files in the Result column it displays "304" as grayed out.

Since we had to manually turn off the "Always refresh from server" option, how do we get this to work for the end user who is on Windows 7 with IE11? 


Thanks.





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Collapse panel button not work sometimes in IE11

November 3, 2018, 5:28 pm
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Hi folks

A developer is making a new page for project (test environment). I am looking for help because I have this scenario.
Computer with IE11 and Windows 10 Pro (outsourcing) is working this button.

Computer with IE11 and Windows 10 Ent (employee) not working.

They told that my images is the problem.

I deploy the image for one computer and didnt join to domain and work it. I applied all GPOs but never begin to fail.

I deploy the image  for other computer and join to domain but create it to computer container (not GPOs) and the button not work.

I just discover that when it is not working the URL is not appear in the code. Also i see that button is working for Chrome.

In the computer that button is not working, I emulate IE10 and work it.

how looks when it is working

<img width="5" height="21" title="Collapse Pane" style="cursor: default;" alt="Collapse Pane" src="https://testapps.url:port/HDNineBoxPortlets/afr/t.gif" border="0">

How it looks when it not working

<img width="5" height="21" style="cursor: default;" alt=""
src="/HDNineBoxPortlets/afr/t.gif" border="0" />

I appreciate all your help.

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