//this is my code   you can add javascript to your code by using the echo statement and rap all  your javascript between "" and if there is "" in the javascript code then add \ before any "", and for the php inside rap it with ''       <?php   echo "<script>document.write(\"hello world\")</script>" ?>    //other example  <?php   $a = 5;   echo "<script>document.write('$a')</script>" ?>  //other example    <?php  $TokenData = Auth::user();  echo "<script type=\"text/javascript\">              localStorage.setItem(\"id\", '$TokenData->id');              localStorage.setItem(\"name\", '$TokenData->name');              localStorage.setItem(\"email\", '$TokenData->email');       </script> " 

Read more of this post