Source maps (was: Multiline Strings)

Brendan Eich brendan at
Sun Mar 16 15:18:31 PDT 2014

K. Gadd wrote:
> The accuracy of this aside, history shows that most of my users are
> not satisfied by 'just debug the JS, it's fairly readable'. Maybe
> emscripten, gwt, etc. users are more fluent in JS and don't mind
> debugging it, but based on what I've seen, maybe not...
> I do think it's important that source maps don't obscure what's
> happening at the JS level, though - presumably all the modern
> debuggers let you toggle them back off once they're loaded, so that's
> satisfied?

I think so. Bill's point is well taken, but a tangent. The problem 
people face is debugging in their primary source language, mainly. Any 
problems with JS-level debugging are lesser and more readily solved.


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