christophergregory

span, input {
    margin: 0;
    padding: 0;
}
span {
    display: inline-block;
    border: 1px solid black;
    height: 25px;
    overflow: hidden;
}

christophergregory

function callCallbackFunction (callback) {
  callback(); // all this does is call the function that is passed in as a parameter
};

callCallbackFunction(function(){ 
  alert('this is inside the callback function'); 
});


// Here is another way to do basically the same thing