To toggle the div this is the code using Javascript
.
document.getElementById("hide").onclick=function(){
document.getElementById("data").style.display="none";
}
document.getElementById("show").onclick=function(){
document.getElementById("data").style.display="block";
}
<div id="data"> this is some data </div>
<input type="button" id="show" value="show data">
<input type="button" id="hide" value="hide data">
solved simple JavaScript code to show and hide data