Google Gears beta is an extension to the browsers, it provides extra functionality for javascript applications to cache resources aka localserver, relational database (SQLite) and a worker thread pool.
localserver
Instead of remote server, this feature allows resources like html, javascript or images cached locally on desktop’s hard disk. This makes offline web application possible. [...]
Continue reading about Google Gears - A Client Programming Framework?
Operating System: Windows Vista Enterprise 32 bit
CPU: Intel Pentium(R) 4 CPU 3.00GHz
Memory: 2038 MB
Tools: Testing Javascript Page
Opera 9.24 Score: 82
It is not too bad.
Firefox 3 Score : 109
It is fairly fast!
Chrome beta Score : 1105
WOW, ten times faster than firefox,
I am glad I downloaded it. Well done Google!
Internet Explorer [...]
Continue reading about Chrome vs IE Javascript Engine Performance Comparison