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Is there a way to get the source code of a function by using it's name in javacsript? I'm using the console and while like to see the source code of the function but can't find it. I can execute it in the console and typing only in the name returns the function object.

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  • Are you trying to do this programmatically? Commented Aug 16, 2021 at 23:34
  • Look at Function.prototype.toString(). Commented Aug 16, 2021 at 23:36

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If you log it with console.dir, at least in Chrome, you'll see an internal [[FunctionLocation]] property that's clickable. For example, Stack Exchange uses jQuery, so doing console.dir($) in the console shows:

enter image description here

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you could achieve that by printing the function name only without invoke it

function sum(x, y){
   return x + y;
}

console.log(sum)

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