JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div {
    width: 200px;
    height:200px;
    background-color:#000;
}

JavaScript

$('div').mousedown(function(evn1){
      SayHello("sss");
      
      $('body').unbind();
 
});
SayHello(name){
    alert(name);
}