Caller information in Javascript

Caller - Returns the function that invoked the specified function.

Not a standard javascript function but implemented in Mozilla engine and JScript.

If the function f was invoked by the top level code, the value of f.caller is null, otherwise it’s the function that called f.

Example: Checking the value of a function’s caller property

The following code checks the value a function’s caller property.

function myFunc() {
if (myFunc.caller == null)
{
return (“The function was called from the top!”);
}
else return (“This function’s caller was ” + myFunc.caller);
}

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