What is the callee function?

What is the callee function?

callee is a property of the arguments object. It can be used to refer to the currently executing function inside the function body of that function. This is useful when the name of the function is unknown, such as within a function expression with no name (also called “anonymous functions”).

What is a function name in JavaScript?

Named functions in JavaScript is just a fancy way to refer to a function that uses the function keyword and then a name you can use as a reference to that function. Here’s an example: function myFunction(someParameter) { // Do something }

What is a function name example?

Function names should apply the lower camel case form: addItem() , saveToStore() or getItemById() . Every function is an action, so the name should contain at least one verb. For example: write(to: “filename.

DOES GET request JavaScript?

You can get an HTTP GET request in two ways:

1. This approach based on xml format. You have to pass the URL for the request. xmlhttp. open(“GET”,”URL”,true); xmlhttp. send();
2. This one is based on jQuery. You have to specify the URL and function_name you want to call. $(“btn”). click(function() { $.

How do you find out the caller function in JavaScript?

Conclusion: It’s possible to determine “main” is the caller to “Hello” using the stack in the Error object. In fact it will work in cases where the callee / caller approach doesn’t work.

How to get the name of a function in JavaScript?

It parses the stack from an error instance. I’ve extracted the elements of the error as variables (lineNumber, functionName) so you can format the return value any way you want. As a side note: the use strict; statement is optional and can be used only if your entire code is using the strict standard.

How to get the name of the script?

Based on @J.L.answer, with more in depth explanations (the only one command that works for me ( linux )) : in /proc/, you have some dirs with the pid of each process ( linux ). Then, if you cat /proc/$PPID/comm, you echo the command name of the PID

How to get the filename of a function?

Here is a way to get the filename when an error occurs. you have to wrap the function in the onErrorReturnFileName. Here I am wrapping func () from otherNode file. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.