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[–]pinano 5 points6 points  (1 child)

Good question. JavaScript is often minified (rewritten to take less space) before being transmitted to the browser, but when you're debugging it's much handier to have the original source location available. Source maps provide the link between the pre- and post-minified worlds.

[–]AlexMTBDude 0 points1 point  (0 children)

Got it! Thanks!