how to pass variable to view in laravel code example

Example 1: laravel pass variables to view

return view('home')->with('userName',$userName);

Example 2: laravel return view in web.php

Route::get("/page", function(){
   return View::make("dir.page");
});

Example 3: pass parameter to view laravel

Route::get('/', function () {
    return view('greeting', ['name' => 'James']);
});