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JavaScript JavaScript Basics (Retired) Creating Reusable Code with Functions Passing an Argument to a Function

variable name echo

What can i do to the code or what have i done that is not supposed to be done.

script.js
function returnValue (myName) {
 return myName; 
}
returnValue (myName);
var echo = returnValue (myName);
index.html
<!DOCTYPE HTML>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>JavaScript Basics</title>
</head>
<body>
<script src="script.js"></script>
</body>
</html>

You can't use a variable that hasn't been created. myName hasn't been made anywhere.

1 Answer

Antonio De Rose
Antonio De Rose
20,884 Points
function returnValue (myName) {
 return myName; 
}
returnValue (myName); // what is this line doing, take this off.
var echo = returnValue (myName); //check the question, pass any string when you call the returnValue function
//string to be in quotes.