JSFiddle - React, Tailwind, and code Playground

JavaScript

var obj={
    me:'obj',
    objFunction:function(){
    
        document.body.innerHTML+=this.me;
    }
    
};
    document.addEventListener('mousedown',obj.objFunction);
    document.addEventListener('mouseup',thirdParty);
function thirdParty(){
    
obj.objFunction();
}