CList - An Array Adapter Class which supports unique Elements Example CList simplifies the maintenance of Arrays which must contain unique values without duplicate entries. Netscape, Netscape 7, Mozilla, Gecko, Opera, Internet Explorer, Array, Adapter Patterns Bob Clary Evangelist Netscape Communications

Introduction

Script

CList.js implements a JavaScript Object CList which is used to adapt an Array for ease of maintaining a list of unique values with no duplicates.

Constructor

CList(Array aArray): Constructs an instance of a CList object which adapts the specified Array aArray. If aArray is not specified, an empty array will be used to initialize the CList.

Properties

Array mArray: mArray is the array instance which will be used to contain the list of unique values.

Methods

getLength(): getLength() returns the length of the mArray array.
getAt(Number aIndex): getAt() returns the element at index aIndex.
removeAll(): removeAll() removes all elements from the CList.
removeAt(Number aIndex): removeAt() removes the element at index aIndex from the CList.
insertAt(Object aObject, Number aIndex): insertAt() inserts the object aObject into the CList at the position specified by the aIndex index.
findIndexOf(Object aObject): findIndexOf() returns the index of the specified object aObject in the CList or -1 if the object is not in the list.
addUnique(Object aObject): addUnique() appends the specified aObject to the CList if it is not already contained in the list.
removeUnique(Object aObject): removeUnique() removes the specified object aObject from the CList.

Example 1

DOM Central Examples