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Getting Started with PhantomJS

You're reading from   Getting Started with PhantomJS Harness the strength and capabilities of PhantomJS to interact with the web and perform website testing with a headless browser based on WebKit

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Product type Paperback
Published in Nov 2013
Publisher Packt
ISBN-13 9781782164227
Length 140 pages
Edition 1st Edition
Languages
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Author (1):
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Aries beltran Aries beltran
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Aries beltran
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Table of Contents (13) Chapters Close

Preface 1. Getting Started 2. Manipulating Page Content FREE CHAPTER 3. Handling Events and Callbacks 4. Capturing Errors 5. Grabbing Pages 6. Accessing Location-based Services 7. Working with Files 8. Cookies 9. External JavaScript 10. Testing with PhantomJS 11. Maximizing PhantomJS Index

Performing user events

In some cases, we will need to emulate user keyboard events and mouse events. PhantomJS provides a simple function to trigger these events from our script. These events will provide necessary actions in our script, from clicking on a URL to inputting usernames and passwords, or just filling up a form.

The function sendEvent, from the WebPage API, has the capability to perform these events on the page from our scripts.

page.sendEvent(eventType[,event specific arguments])

There are two types of events that are supported: keyboard and mouse events. Each event differs by the set of arguments that can be passed to the functions to match the necessary data to perform the event.

Keyboard events

Let us first explore how to use key events. The following is the complete function signature for the key event.

page.sendEvent(keyEventType, keyOrKeys, null, null, modifier).

The key event type can be either 'keypress', 'keydown', or 'keyup'. The second argument...

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