Debug JavaScript in Production With Source Maps

These days, the code you use to write your application isn’t usually the same code that’s deployed in production and interpreted by browsers. Perhaps you’re writing your source code in a language that “compiles” to JavaScript, like CoffeeScript, TypeScript, or the latest standards-body approved version of JavaScript, ECMAScript 2015 (ES6). Or, even more likely, you’re minifying your source code in order to reduce the file size of your deployed scripts. You’re probably using a...

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