Using CSRF in jQuery

gistfile1.js

function create_task(title) {
     return $.ajax({
        url: '/api/v1/task/',
        dataType: "application/json",
        data: JSON.stringify({
            title: title
        }),
        type:'POST',
        contentType:'application/json',
        processData: false,
        headers: {
           'X-CSRFToken' :(document.cookie.match(/csrftoken=([0-9a-zA-Z]*)/) || ['']).pop()
        }
    })
}