JSFiddle - React, Tailwind, and code Playground
HTML
<div id="container" class="thirdcanvas">
<div id="vapor">
1
</div>
<div id="baiat">
2
</div>
<div id="colac">
3
</div>
<div id="slapi">
4
</div>
<div id="umbrela">
5
</div>
</div>
<a href="#"><img id="next" src="images/nextBtn.png" title="Continuare" alt='next' /></a>
JavaScript
$(document).ready( function() {
$("#container div").not(":first").each(function(){
$(this).hide();
});
$("#next").click(function(){
var divWithoutHiddenClass=$("#container div").not(":hidden");
divWithoutHiddenClass.hide();
if (divWithoutHiddenClass.next().html() === undefined){
$("#container div:first").show();
}
else{
divWithoutHiddenClass.next().show();
}
});
});