I have three id tag
<div id="view_1"></div>
<div id="view_2"></div>
<div id="view_3"></div>
I use getElementsByClassName way it can work
but "class" I take it to delimit css style
How could use document.getElementById find -> "view_1" "view_2" "view_3"
function hideDIV(){
var divs = document.getElementById('view'.*);
for(var i=0; i<divs.length; i++) {
divs[i].style.display='none';
}
}