JSFiddle - React, Tailwind, and code Playground

JavaScript

if(typeof _content !== "undefined")
{
    alert('The variable "_content" is a global variable in this browser');
}
else
{
    alert('The variable "_content" is not a global variable in this browser');
}

if(_content === window.content)
{
    alert('The variable "_content" is equal to "window.content"');
}