CODE EXAMPLE FOR JAVASCRIPT

screenshot

var system = require('system');

// Web Address (URL) of the page to capture
var url = system.args[1];

// File name of the captured image
var file = system.args[2] + '.png';

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

// Browser size - height and width in pixels
// Change the viewport to 480x320 to emulate the iPhone
page.viewportSize = { width: 1200, height: 800 };

// Set the User Agent String
// You can change it to iPad or Android for mobile screenshots
page.settings.userAgent =
  'Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.56 Safari/536.5';

// Render the screenshot image
page.open(url, function (status) {
  if (status !== 'success') {
    console.log('Could not open web page : ' + url);
    phantom.exit();
  } else {
    window.setTimeout(function () {
      page.render(file);
      console.log('Download the screenshot : ' + file);
      phantom.exit();
    }, 1000);
  }
});