Phantom js quick start

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Phantom js quick start

  1. 1. PhantomJs Quick Start @laserji 2013-12-06 44ux.com
  2. 2. WTF • PhantomJS is a headless WebKit scriptable with a JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas, and SVG.
  3. 3. WFT • HEADLESS WEBSITE TESTING • SCREEN CAPTURE • PAGE AUTOMATION • NETWORK MONITORING
  4. 4. Install • DOWNLOAD && INSTALL
  5. 5. Screen Capture 1. var page = require('webpage').create(); 2. page.open('http://wanggou.com', function() { 3. page.render('wanggou.png'); 4. phantom.exit(); 5. });
  6. 6. Screen Capture • Capture part of the page 1. page.clipRect = { top: 20, left: 20, width: 200, height: 200}; 2. page.render('wanggou.png');
  7. 7. Evaluate Code 1. var page = require('webpage').create(); 2. page.open(url, function(status) { 3. var title = page.evaluate(function() { 4. return document.title; 5. }); 6. console.log('Page title is ' + title); 7. }); 8. From: http://phantomjs.org/quick-start.html
  8. 8. Inject Script 1. if(page.injectJs('jquery.js')){ 2. 3. } // use $
  9. 9. Command-line Arguments 1. var system = require('system'); 2. var args = system.args; ! 4. if (args.length === 1) { 5. console.log('Try to pass some arguments when invoking this script!'); 6. } else { 7. 8. 9. 10.} args.forEach(function(arg, i) { console.log(i + ': ' + arg); });
  10. 10. END • More: http://phantomjs.org/

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