js find the function caller All In One

js find the function caller All In One

Function.caller

// 👎
function myFunc() {
  if (myFunc.caller == null) {
    return 'The function was called from the top!';
  } else {
    return 'This function\'s caller was ' + myFunc.caller;
  }
}

function func () {
  console.trace();
}

func();

/*
console.trace
func @ VM55:2
(anonymous) @ VM86:1


*/

https://stackoverflow.com/a/34853024/5934465

refs

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/caller

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