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

Posted by Kim Dallas
Kim Dallas
11,461 Points

I'm missing something

I set the var. I asked to call it? i'm missing something

script.js 
function returnValue (Value) {
return Value;
}
var echo 

function returnEcho (Echo){
return Echo;
}
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>