How do I create and read a value from cookie?

Question

How can I create and read a value from a cookie in JavaScript?

Answer 1

A simple read

var getCookie = function (name) {
    var valueStart = document.cookie.indexOf(name + "=") + name.length + 1;
    var valueEnd = document.cookie.indexOf(";", valueStart); 
    return document.cookie.slice(valueStart, valueEnd)
}