javascript mobile nav event

My website utilizes a bootstrap feature for mobile devices where a left sidebar pops up when clicking a button. I am not very familiar with bootstrap, but I would like to link a javascript event to determine if the left sidebar is visible. How can I achieve this in javascript? I want to use the change() function, but I am unsure how the bootstrap js actually displays the menu bar... The HTML for the button is: 

<div class="navbar navbar-inverse navbar-fixed-top" style="padding-left:6px;">
    <button type="button" class="navbar-toggle pull-left" data-toggle="offcanvas" data-recalc="true" data-target=".navmenu" data-canvas=".canvas">
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
    </button>
</div>

The HTML for the left sidebar is:

<div class="navmenu navmenu-inverse navmenu-fixed-left" id="mobile_navbar">
    <a class="navmenu-brand" href="/">Benty-fields</a>
    <ul class="nav navmenu-nav">
    content
</div>

https://i.sstatic.net/rUGYo.png

https://i.sstatic.net/mQyPX.png

javascripthtmlcsstwitter-bootstrap

Answer №1

To determine when a button is clicked, you can utilize jQuery for event detection. Simply assign an ID to the button and follow these steps:

$("#buttonId").click(function(e) {
    // Your custom JavaScript event here
});

Alternatively, if you need to check the visibility of a menu at any point in time, consider setting a boolean variable within your JavaScript code and referencing it when necessary.

Here's another method to achieve this:

var isVisible = $("#myDiv").is(":visible"); 
var isHidden = $("#myDiv").is(":hidden");

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