PhantomJS

phantomjs-example

var page = require('webpage').create();
var args = require('system').args;

page.onNavigationRequested = function(url, type, willNavigate, main) {
  console.log('Trying to navigate to: ' + url);
  console.log('Caused by: ' + type);
  console.log('Will actually navigate: ' + willNavigate);
  console.log('Sent from the page\'s main frame: ' + main);
}

page.onConsoleMessage = function(msg) {
    console.log("Browser Console: " + msg);
};

page.onError = function(msg, trace) {
  console.log(msg);
  trace.forEach(function(item) {
    console.log('  ', item.file, ':', item.line);
  });
}

page.open(url, function(status) {
    //do stuff

    //Insert data into page
    page.evaluate(function(foo, bar) {	
        //on the page here
    }, arg1, arg2);

    //Get data from page
    var output = page.evaluate(function() {
        //do stuff here
        return output
        });
    console.log(output);

}

//page.onLoadFinished = function(status) { // onLoadFinished is overwritten by page.open({})
   //console.log('Status: ' + status);
    // Do other things here...
    //phantom.exit();
//};