Symfony2: How to get the current route in javascript?

Question

I'm using Ajax to change data in a page. So, I want to know that what is the current route in order to call to different functions. I have read many solutions used to retrieve the current url and also to get the current route in Controller and Twig. However, is there any possible way to achieve this in javascript or jQuery?

$(document).ready(function(){
    $('#form_patient').change(function(){
        var id = $(this).val();
        // Get the current route
        var route = ??;  // <----------------Want to get the current route
        if(route === 'route1'){
            functionForRoute2(id,route)
        }
        else{
            functionForRoute2(id,route);
        }
    });
});

** Function for the Route1 **

function functionForRoute1(id,route){
    $.ajax({
        type: "POST",
        url: Routing.generate(route),
        data: JSON.stringify({id:id}),
        dataType: "json",
        success: function(data){
            // Execute some specific data for route1
        },
        error: function(XMLHttpRequest, textStatus, errorThrown)
        {
            alert('Error : ' + errorThrown);
        }
    });
}

** Function for the Route2 **

function functionForRoute2(id,route){
    $.ajax({
        type: "POST",
        url: Routing.generate(route),
        data: JSON.stringify({id:id}),
        dataType: "json",
        success: function(data){
            // Execute some specific data for route2
        },
        error: function(XMLHttpRequest, textStatus, errorThrown)
        {
            alert('Error : ' + errorThrown);
        }
    });
}

Answer 1

What I would do is to output route (any route you want) in a html tag for example (twig version):

<div id="my-route" data-route"{{ path("my_route") }}"></div>

Then in your code I would retrive that route via jquery like this:

$(document).ready(function(){
    $('#form_patient').change(function(){
        var id = $(this).val();

        var route = $('my-route').data('route');       
    });
});

You can also change path("my_route") to a string with a name of the route and then you are doing your if/else statement. However I dont think its a good idea as if your route name changes then your code will be affected as well