How to get value from radio button onclick and use it

Radio button onclick radio button

Hi as my title, i am going to get radio button onclick value to do a if else. below is my blade.

{!! Form::open(['action'=>'PostsController@store','method'=>'POST']) !!}
        <h2>Hi,</h2><br>
        <div class="form-group">
            <br>
                @foreach($rkeys as $rkey)
                @if($rkey->status == "1")
                <div class="form-check form-check-inline">
                    <input onclick="show1()" class="form-check-input" type="radio" name="roomkey" hidden selected><br>
                        <input 
                        onclick="show2()" 
                        class="form-check-input" 
                        type="radio" 
                        name="roomkey" 
                        value="" 
                        disabled> 
                        <br></div>
                @else
                <div class="form-check form-check-inline">
                    <input onclick="show1()" class="form-check-input" type="radio" name="roomkey" hidden selected><br>
                <input onclick="show2()" class="form-check-input"  type="radio" name="roomkey" value="" > <br></div>
                @endif
                @endforeach
        </div>
            <div id="div1" class="hide">
            <hr><p>Room Number:</p>
            @foreach ($room as $room)
            @foreach($rkeys as $rkey)
            @if($rkey->roomkey == $rkey->roomkey)
            <input type="checkbox" value="" name="roomNum">
             &nbsp;
            @endif
            @endforeach
            @endforeach
            </div>
        <br>
        <input name="status" type="hidden" value="1">
        
    {!! Form::close() !!}

2.Controller

public function create(Request $request)
    {
        //$keyno = Post::select('roomkey')->get();
       // $keyno = Post::get()->pluck('roomkey')->toArray();
        $rkeys = Keyno::all();
        $posts = Post::all() ;
        $room  = Room::all();
        return view('posts.create')->with('rkeys', $rkeys)->with('posts',$posts)->with('room',$room)->with('selected',$selected);
    }

I was trying this code out, but it not work, no error,but it show out all the information in my room table T^T

To sum it up, i trying to do when i click on the key radio button, it will get the value and show the room that this key call open. Hope someone can help me T^T Please Table Post Table Room

via Chebli Mohamed