function post(path, params, method) {    method = method || "post"; // Set method to post by default if not specified.    // The rest of this code assumes you are not using a library.    // It can be made less wordy if you use one.    var form = document.createElement("form");    form.setAttribute("method", method);    form.setAttribute("action", path);    for(var key in params) {        if(params.hasOwnProperty(key)) {            var hiddenField = document.createElement("input");            hiddenField.setAttribute("type", "hidden");            hiddenField.setAttribute("name", key);            hiddenField.setAttribute("value", params[key]);            form.appendChild(hiddenField);         }    }    document.body.appendChild(form);    form.submit();}

Example:

post('/contact/', {
    name: 'Johnny Bravo'});