NICAR 2010: Hidden Power of Javascript

The Hidden Power of Javascript Michelle Minkoff Medill School of Journalism, Northwestern University

Web-Language Triangle
HTML – gives us the content
CSS – lays out the content
Javascript – lets user interact with the content
Uses tags like HTML and CSS
Always goes in the head
Easier to separate content

Javascript + mobile
Supports these browsers:
Opera Mobile (>= 8.x, not Opera Mini)
Internet Explorer Mobile (WM 5.0/2003)
S60 3rd edition (WebKit/KHTML core)
Minimo (Gecko-based)
OpenWave (>=Mercury)
NetFront (>=3.4)
Safari Mobile (iPhone)

What kind of interactivity?
Caution: Novice perspective ahead!
Coolest line of code so far:
<A HREF="javascript:javascript:history.go(-1)">Click here to go back to search results.</A>

Google Viz API
Data-driven apps drive exploration
Use mobile to kill time
Reach people where they want your content
Can explore nodes on a graph

Node Display
Two lines:
Axis
Value
Efficacy of popup depends on you!

Types of Charts
Interactive chart types (not all-inclusive):
Bar (horizontal)
Column (vertical)
Pie
Scatterplot
Line
Dygraph (zoomable time series)

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NICAR 2010: Hidden Power of Javascript

by Michelle Minkoff on Mar 20, 2010

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