如何在javascript中在laravel 5中添加@include（''）？

I want to import deferent include file with in my JavaScript control statement. I used Laravel 5 blade.php formate. I trying deferent ways like below. {

 <script>
 var slide_bar;

           if (slide_bar == 'x') {

                  //first try
                  {{ @include('ex.blade.php')}};

                  //second try
                  line_1=@include('ex.blade.php')
                  document.getElementById("slide_bar").innerHTML = line_1;

                  //3rd way
                  var slide_bar = document.getElementById("slide_bar");
                  slide_bar.appendChild({{@include('ex.blade.php')}});

            } else if (slide_bar == 'y') {
              //code

            } else if (slide_bar == 'z') {
               //code
            } else {
               //code
            }

        </script> 

}

please , help me.How can I use @include('') with in javascript ? above every time passed syntax error.