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How to keep submenu opened after page load in JavaScript

I have almost done my work and my client ask for keeping submenu opened when user click the item in the menu and also set active color. The idea is better orientation when user actualy is. In React App it wouldn't be problem, cuz whole app works like single page. In this case i've decided use only HTML/JS as my challenge.
Is it even possible somehow keep menu opened/open again menu when new page is loaded please?
I tried make from this app something like single page app by some tutorials like "load paghe without refresh" etc, but nothing worked.
menu
<div class="menu">
<div class="item">
<a class="sub-btn">
Matice
<i class="fas fa-angle-right dropdown"></i>
</a>
<div class="sub-menu">
<a
href="/pages/matice/zakladni-operace.html"
id="matice/zakladni-operace"
onClick="reply_click(this.id)"
class="sub-item">
Základní operace
</a>
<a
href="/pages/matice/hodnosti.html"
id="matice/hodnosti"
onClick="reply_click(this.id)"
class="sub-item">
Hodnost
</a>
<a
href="/pages/matice/determinanty.html"
id="matice/determinanty"
onClick="reply_click(this.id)"
class="sub-item">
Determinanty
</a>
<a
href="/pages/matice/inverzni-matice.html"
id="matice/inverzni-matice"
onClick="reply_click(this.id)"
class="sub-item">
Inverzní matice
</a>
<a
href="/pages/matice/maticove-rovnice.html"
id="matice/maticove-rovnice"
onClick="reply_click(this.id)"
class="sub-item">
Maticové rovnice
</a>
<a
href="/pages/matice/vlastni-cisla-a-vektory.html"
id="matice/vlastni-cisla-a-vektory"
onClick="reply_click(this.id)"
class="sub-item">
Vlastní čísla a vektory
</a>
</div>
</div>
</div>

You can try to get window.location.href on load of your page and add style classes depending on conditionally with something like
<div class="<%= 'yourStyleClass' if #url== 'urURL' %>"> to set active color

You could use AJAX to call the page. But that doesn't sound like what you want. An alternative way in javascript would be to get the current window.location.href when the page loads, then inject a class name into the relevant node, and have the css for that class make it visible and highlighted.
If you're using a library like jQuery this shouldn't be too hard to achieve.

Toggle active class using Ratchet framework

Ratchet mobile framework uses a bottom button structure that looks like this:
<nav class="bar-tab">
<ul class="tab-inner">
<li class="tab-item active">
<a href="#">
<img class="tab-icon" src="img/icon-messages.png">
<div class="tab-label">Label</div>
</a>
</li>
<li class="tab-item">
<a href="#">
<img class="tab-icon" src="img/icon-hamburger.png">
<div class="tab-label">Label</div>
</a>
</li>
<li class="tab-item">
<a href="#">
<img class="tab-icon" src="img/icon-settings.png">
<div class="tab-label">Label</div>
</a>
</li>
I am trying to use JS to change the active tab to which ever one is clicked. The approach I am trying to take to is the following logic.
If the page that the site is on is the same as the href link then show that link active.
<script language="JavaScript">
var sPath=window.location.pathname;
var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
$('.bar-tab li.tab-inner').click(function() {
$(".active").removeClass("active");
$(this).parent().toggleClass('active', $(this).attr('href') == sPage);
});
</script>
I don't want it to just be the last button clicked because there are other ways to navigate back to the major sections of the app and it will look weird to have a button showing active if the content they are looking at is completely unrelated.
Thanks for any help.

Take a look at emberJS
{{#link-to 'index' classNames='tab-item'}}
<span class="icon icon-list"></span>
<span class="tab-label">Oversigt</span>
{{/link-to}}
With this syntax, based on the routing the current tab is set to active

Showing larger images with AddThis widget

I'm using the AddThis widget and I copied the default code for the first option they have, which is the one with the facebook like, tweet etc... that code being:
<!-- AddThis Button BEGIN -->
<div class="addthis_toolbox addthis_default_style ">
<a class="addthis_button_facebook_like" fb:like:layout="button_count"></a>
<a class="addthis_button_tweet"></a>
<a class="addthis_button_pinterest_pinit"></a>
<a class="addthis_counter addthis_pill_style"></a>
</div>
<script type="text/javascript">var addthis_config = {"data_track_addressbar":true};</script>
<script type="text/javascript" src="//s7.addthis.com/js/300/addthis_widget.js#pubid=ra-xxxxxxxxxxxxxxxxx"></script>
<!-- AddThis Button END -->
However I wanted to add a Google Plus button as well, so I added this in to the code:
<a class="addthis_button_google_plusone"></a>
However this output a much smaller image compared to the others. Is there any way to get the more appropriate sized image?
Here is what it currently looks like:
As you can see the Google Plus icon is too small, however that's the right icon I want, just bigger; don't want the "badge".

Update:
Use size to size your buttons:
<a class="addthis_button_google_plusone" g:plusone:size="medium"></a>
Link to guide - Larger Standard
Add this third party buttons - link (like Google +1)
Also, Code (maybe this is what you want):
<div class="addthis_toolbox addthis_default_style">
<a class="addthis_button_google_plusone_badge" g:plusone:href="...your-link..."></a>
</div>
OR, in your code itself, just add another anchor tag to the div:
<a class="addthis_button_google_plusone_badge" ></a>

capture click of addThis button

I am using the addThis widget to display Facebook, Twitter, Google, Blogger, Wordpress logos on my site.
<script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#username=xa-1324kj34h243kjh2"></script>
I would like to know of a way that I can capture when someone clicks one of the buttons for Google Analytics tracking reasons. I have attempted to add an onClick to an anchor, but this does not fire - presumably because the markup is re-written by the included JavaScript.
This is my code:
<div class="addthis_toolbox addthis_default_style">
<div class="share-icons" id="share-icons">
<span id="share-title">Share</span>
<span class="spacer"></span>
<a class="addthis_button_email left" title="Email" onClick="_gaq.push(['_trackSocial', 'addThis', 'email']);"> </a>
<a class="addthis_button_facebook left" title="Facebook"> </a>
<a class="addthis_button_twitter left last" title="Twitter"> </a>
<a class="addthis_button_google left" title="Google">
<img src="images/google.gif" alt="G" />
</a>
<a class="addthis_button_blogger left" title="Blogger"> </a>
<a class="addthis_button_digg left last" title="Wordpress"> </a>
</div>
</div>
I am using the addthis_config to report GA activity at the moment, but I wish to report to two profiles, so I am looking for a way of capturing the click as that seems like the best way around the problem.

Make sure you have that div appended on the DOM to ensure you could use events. Otherwise check liveQuery.
I haven't used addThis widget but I would try with jQuery using class name:
$.('.addthis_button_email').click(function(){
//Count it...
});
Or using a custom method in every button:
<div class="addthis_toolbox addthis_default_style">
<div class="share-icons" id="share-icons">
<span id="share-title">Share</span>
<span class="spacer"></span>
<a class="addthis_button_email left" title="Email" onClick="notifyGA(information....)"> </a>

AddThis Toolbox and IE7

I installed the AddThis toolbox on a client website.
One of my testers, using Internet Explorer 7, reports that two print icons appear in the toolbox row of icons.
Is anyone aware of any JavaScript issues in IE7 that could cause AddThis to have this unexpected behavior?
The toolbox HTML snippet is:
<a class="addthis_button_preferred_1"></a>
<a class="addthis_button_preferred_2"></a>
<a class="addthis_button_preferred_3"></a>
<a class="addthis_button_print"></a>
<a class="addthis_button_email"></a>
<a class="addthis_button_compact"></a>
<a class="addthis_counter addthis_bubble_style"></a>
and the script links (bottom of page, before closing body tag) are:
<script type="text/javascript">var addthis_config = {services_compact: 'email,facebook,twitter,linkedin,print,more', data_track_clickback: true};</script>
<script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#pubid=ra-4d9bb0c4086f82f7"></script>
If there is a known issue and one or more work-arounds, please share. Thank you.

<a class="addthis_button_preferred_1"></a>
<a class="addthis_button_preferred_2"></a>
<a class="addthis_button_preferred_3"></a>
<a class="addthis_button_print"></a>
<a class="addthis_button_email"></a>
<a class="addthis_button_compact"></a>
<a class="addthis_counter addthis_bubble_style"></a>
That is the problem.
The tester has used addthis before, and has the print button in one of the 3 preferred buttons.
After the preferred buttons you force the print button on the user, thus the button appearing twice.