Is there any way to unjs (like uncss)

Question

If we are using Bootstrap or other front end frameworks(not quite sure), we can customize it by deselecting unused selector and then download it.

When it comes to javascript, like jquery for instance, minified version of 1.10.2 is 90.92kb(source). If I only use one or two effect, is there any way to unjs it, just like the CSS way uncss.

Answer 1

You could use Google's Closure Compiler It "parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what's left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls."

There's also Bransey's Dead JS Eliminator available on Github