August 2014
Intermediate to advanced
400 pages
10h 19m
English
Content preview from Exam Ref 70-480: Programming in HTML5 with JavaScript and CSS3Become 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,
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Chapter 3. Access and secure data
Most web applications require static or dynamic data. Static data is written directly into the HTML markup, not altered or loaded by code such as JavaScript. It’s rendered and displayed to users without any way for the data to change. Dynamic data can change. Dynamic data can update a ticker on a webpage from a news feed, capture user data to perform an operation and provide results, or perhaps even store just a user’s registration information in a database.
Both approaches to data have benefits as well as disadvantages. Static data is quite secure because it doesn’t provide much of an attack surface for a malicious user. However, as a website transitions into a more dynamic site, with live updates of data and ...
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