Skip to Content
HTML5 Hacks
book

HTML5 Hacks

by Jesse Cravens, Jeff Burtoft
November 2012
Intermediate to advanced
500 pages
11h 21m
English
O'Reilly Media, Inc.
Content preview from HTML5 Hacks

Chapter 6. Client-Side Data Storage Hacks

As the modern web browser continues to evolve into a capable application platform, another area of exciting advancements is occurring in client-side data storage, most notably in the AppCache, WebStorage, IndexedDB, and FileSystem API standards. The need for offline capabilities and performance improvements for reading and writing large amounts of data is driving browser manufacturers to build tools that allow client-side applications to define quotas on storage capacity, retrieve sandbox data to defined origins, and perform asynchronous reads/writes from local databases.

As we explore the storage APIs, we will continue our trend of exploring the pros and cons of each solution, introduce third-party libraries that offer polyfill support, and provide contextual examples for client-centric applications and the mobile web.

Hack 52. Embed Binary Data in an Inline URL

Data URLs offer an alternative to referencing external resources with image and link tags. The most common scenario involves images that you can reference directly from within an HTML document or an individual stylesheet.

In [Hack #19] we explored the performance trade-offs between CSS sprites and using data URIs within external stylesheets. In this hack we will focus on inlining image data within our HTML markup, and even see some of the different ways to do so using different server-side templating implementations.

Data URLs are a subtype of the Uniform Resource Identifier (URI) scheme ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

HTML5 Unleashed

HTML5 Unleashed

Simon Sarris
Using SVG with CSS3 and HTML5

Using SVG with CSS3 and HTML5

Amelia Bellamy-Royds, Kurt Cagle, Dudley Storey

Publisher Resources

ISBN: 9781449335052Errata