Chain.JS

Function for creating looped arrays. Used for menu, rotators, etc..

Examples

Create

var menu = new Chain( [ "New", "Copy", "Edit", "Delete", 1, 2, 3, null ] );

Methods

• next
  
• prev
  
• current
  
• first
  
• last
  
• reset
  
• isEnd
  
• isBegin
  
• goTo
  
• goToEnd
  
• getItems
• beginFrom (return new Chain with shifted list)
• getIndex

Add item to chain

menu.getItems().push("new item");

menu.getItems().push(3.14);

menu.getItems().push( { id: 123, name: "John" } );

Moving

menu.current();
//"New"

menu.prev();
// { id: 123, name: "John" }

menu.next();
//"New"

menu.next();
//"Copy"

menu.last();
// { id: 123, name: "John" }

menu.first();
//"New"

Testing code

For Unit testing using Jasmine.

Just open file /test/test.html.