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Custom Routines (C# and JavaScript Cross Reference Guide)

By Mike Prestwood

C# versus JavaScript: A side by side comparison between C# and JavaScript.

Language Details

Language Details is kind of a catch all for stuff that didn't make it into language basics nor any other category.

Custom Routines

[Other Languages]

Languages Focus

For non-OOP languages, a custom routine is a function, procedure, or subroutine and for pure OOP languages, a custom routine is a class method. Hybrid languages (both non-OOP and OOP) combine both.

C#:

C# requires () in both the function declaration, and when it's invoked. Leave off the parens to signify a property.

ReturnType RoutineName()

Syntax Example:

void SayHello(String pName)
{
  MessageBox.Show("Hello " + pName);
}

int Add(int a, int b) 
{
  return a + b;
}

JavaScript: function

JavaScript uses functions and loosely typed parameters. Function definitions must come before their usage so the usual preference when adding JavaScript to HTML pages is to include them between the head tags.

Syntax Example:

function SayHello(pName) {
 document.write("Hello " + pName + "<br>");
}

function add(p1, p2) {
 var result;
 
 result = p1 + p2;
 return result;

JavaScript Custom Routines (function)