Yihui Xie • 10/11/2023

An Example of Simplifying a Decade-Old Piece of JavaScript

The author revisits a 10-year-old JavaScript function that toggles the visibility of R code blocks on HTML pages. The article contrasts the original, awkward jQuery-influenced code with a modern vanilla JS rewrite using `querySelectorAll`, discussing the evolution of web standards and the demise of Internet Explorer.

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#JavaScript #dom manipulation #Code Refactoring