Hi all,
I am using prototype.js for a few year.
The issue of JavaScript performance of my Web application occurs
frequently recently.
When it examined a cause, it was to have used many $ method
I think that the performance of the $ method is improved dramatically
if prototype.js cached an HTML element beforehand.
(I can expect JavaScript performance up of several times in Web

Sample code (URL):

prototype.js is very useful for a person of introduction to JavaScript
I will expect development in prototype.js in future.

Daisuke Yamanaka.
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