JSFiddle - React, Tailwind, and code Playground

JavaScript

function readCookie() {
    var cookies = document.cookie;
    var cookieBundle  = cookies.split(';');     
    
    for(var i in cookies) {
        var name = cookieBundle[i].split('=')[0],
            cookieValue = cookieBundle[i].split('=')[1];
        
        if(name.trim() == "csrftoken") {
            alert("Here you go.");
        }
    }
}

readCookie();