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HTML5 Data and Services Cookbook

HTML5 Data and Services Cookbook

4.3 (7)
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HTML5 Data and Services Cookbook

HTML5 Data and Services Cookbook

4.3 (7)

Overview of this book

HTML5 is everywhere. From PCs to tablets to smartphones and even TVs, the web is the most ubiquitous application platform and information medium bar. Its becoming a first class citizen in established operating systems such as Microsoft Windows 8 as well as the primary platform of new operating systems such as Google Chrome OS. "HTML5 Data and Services Cookbook" contains over 100 recipes explaining how to utilize modern features and techniques when building websites or web applications. This book will help you to explore the full power of HTML5 - from number rounding to advanced graphics to real-time data binding. "HTML5 Data and Services Cookbook" starts with the display of text and related data. Then you will be guided through graphs and animated visualizations followed by input and input controls. Data serialization, validation and communication with the server as well as modern frameworks with advanced features like automatic data binding and server communication will also be covered in detail.This book covers a fast track into new libraries and features that are part of HTML5!
Table of Contents (21 chapters)
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HTML5 Data and Services Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
3
Index

Limits of the storage and how to ask for more


So far we have seen several different ways to have storage and access it at the client side. All these ways gives us the option to store large amounts of data at the client side. The question arises how come there are no hacks out there that fills up the storage of all the devices?

We will see why this is not happening everywhere, at least not without some browser vulnerability. To do this, we shall create a simple case where we will store data to the browser using localStorage, as long as we are allowed by the user agent.

How to do it...

  1. We can start by creating a file called example.js, there we will generate data with size of 1 k and size of 100 k. The data for 1k can be generated by creating an array of 1025 elements, which we will join with the letter "a", resulting in 1024 character string of "a"'S:

    var testing = (function (me) {
    me.data1k =  new Array(1025).join("a"); // about 1k
    me.data100k = new Array((1024*100)+1).join("b");// about 100k...
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83
Tech Concepts
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Programming languages
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HTML5 Data and Services Cookbook
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