Form On/Off Programı

            
  <div class="div-1">
  <input type="button" id="btnShow" value="Form Aç" onclick="button()"></input>
  </div>

    <div id="sonuc" style="visibility: hidden;" class="div-2"></div>
            
        

            
    function button() {
        var button=document.getElementById("btnShow");
                
    if(button.value==="Form Kapat"){
        button.value="Form Aç";
         document.getElementById("sonuc").style.visibility="hidden";
    }else{
        button.value="Form Kapat";
        document.getElementById("sonuc").style.visibility="visible";
        }
    }