JSFiddle - React, Tailwind, and code Playground
HTML
<input type="button" id="go" value='go' />
<div id ="div1">
<div id="enfant1"> blablabla 1</div>
<div id="enfant2">
blabla 2
</div></div>
<!---------------etc...----->
</div>
CSS
#bar { position: absolute;
z-index: 50;
top: 200px;
left : 100px;}
JavaScript
$(function(){
$('#go').on('click',function(){ $('#div1').hide();})
})