Home/ Questions/Q 6071911
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Asked: 2026-05-23T10:06:05+00:00

The Prototype JS API documentation mentions the $$() function, which allows you to select

  • 0

The Prototype JS API documentation mentions the $$() function, which allows you to select and extend elements based on CSS selectors, like the $() function in jQuery does.

However, on that page, $$ is presented like some sort of last resort:

Sometimes the usual tools from your DOM arsenal just aren’t enough to quickly find elements or collections of elements. If you know the DOM tree structure, you can simply resort to CSS selectors to get the job done.

Why is that? Should I stay away from $$ and just use document.getElementsByClassName (ugh) instead?

Share

Leave an answer

You must login to add an answer.

Need An Account,

1 Answer

  1. Editorial Team

    Based on that quote you wrote, I’d say they are encouraging you to use $$(). $$() offers you a cross-browser way to access elements quickly and easily. On the other hand, document.getElementsByClassName() is either buggy or not functional in IE version up to and including version 8.

    • 0