JSFiddle - React, Tailwind, and code Playground

HTML

<div id="div1" style="backgroud-color : red;">Je suis la div1</div> 
<div id="div2">Je suis la div2</div> 
<div id="div3">Je suis la div3</div>

JavaScript

//$('#div1').slideUp(1000, function() { $('#div2').slideUp(1000) });

$("#div1").animate({"left":"-400px"},800)/*, function(){
    $("#div2").css("left","400px").addClass("mnt2").animate({"left":"0px"},800);
});*/