[devote]

<div id="name">1</div> 
<div id="name">2</div> 
<div id="name">3</div> 
<div id="name">4</div> 
<div id="name">5</div> 
  
<button id = 'but'>Click me</button>

<script type="text/javascript">
var but = document.getElementById('but'); 
var elem = document.querySelectorAll('[id="name"]'); 
  
//убирает элемент <div id= 'name'></div>  
var hid = function() {
    for(var i = 0; elem[ i ]; i++ ) {
        elem[ i ].style.display = 'none';
    }
}  
                        
  
but.addEventListener('click',hid,false);
</script>