How to use jQuery to dynamically add a variable to a request in Laravel 5.2

Is it feasible to append a variable to the Laravel cookie in the client using jQuery? Understandably, the Cookie is linked to the request during GET?


Can you include a variable in the $request container in Laravel 5.2 using jQuery before initiating a GET route request?

In essence, I am attempting to transmit a value with a GET request while keeping it concealed from the URL as a parameter.

The structure of my HTML resembles a menu:

<ul class="sidebar-nav nav-pills nav-stacked " id="menu">
    <li id="menu-1">
        <a href="app.url/1">Menu 1</a>
    </li>
    <li id="menu-2">
        <a href="app.url/2">Menu 2</a>
    </li>
    <li>.....</li>
</ul>

On clicking the a link, I aim to intercept this action and add

menuState = 'state';

To the $request container, then proceed with routing the click event to the destination defined by href.

Thus, at the Laravel end, I should be able to retrieve its value via:

$request->input('menuState');

Is this achievable for what is essentially a GET request without any form submission taking place?

This serves as an illustration of appending a URL variable:

<a onclick="addURL(this)" href="app.url/1">Menu 1</a>

function addURL(element)
{
    $(element).attr('href', function() {
        return this.href + '&menuState=10';
    });
}

Is such a task possible?

<a onclick="addURL(this)" href="app.url/1">Menu 1</a>

function addURL(element)
{
   ---> ADD menuState = value to $request container, then continue with GET request
}

Answer №1

Let me offer a more comprehensive solution to address your query.

It's important for the menu URLs to be more user-friendly, consisting of words rather than numbers for better SEO optimization. Simply set the <a> href attribute to the relative URL like href='home' or href='about'.

Now, the challenge lies in passing the menu state across all pages. Using the $request variable may not be ideal as the menu state should ideally be predefined for different pages. Controllers can establish a menu-state variable array with on/off values for each menu, or a string indicating which menu is active (which would require looping through menus and performing conditional checks).

A potential solution could involve utilizing a view composer or using view()->share within the ServiceProvider for efficiency. Determine the necessary conditions and pass along the outcome. The menu state information can likely be extracted from the accessed URL using Route::url().

Edit: After reflecting on the discussion, I recommend against persisting the menu state. Many websites feature a hover effect where the menu expands on mouseover, collapsing when clicked to focus on the content. If users desire the option to keep the menu expanded by default, consider incorporating it as a preference setting in their profile. However, retain the toggle JavaScript functionality in case they still prefer to collapse the menu at times :)

Answer №2

One effective approach is to stop link redirection when clicking on an a element, then implement a click event to capture the action using jQuery's $.get() method to include desired parameters and send the request:

$('#menu').on('click', 'a', function(e){
     e.preventDefault(); //prevent link redirection after click

     $.get($(this).attr('href'), {menuState: 'state'}, function(response){
         //response variable contains data from Laravel controller 
     });
});

I trust this solution will be useful.

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