Javascript Operators === & !==

Øyvind Sean Kinsey

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10 Mar 2011CPOL2 min read

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The algorithm behind the EqualityExpression (==,===, !=, !==) is a bit more complex than what is portrayed in some of the other alternates and comments, and a correct understanding of this actually quite important in order to avoid unforeseen errors in javascript programs.The short story is...

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Øyvind Sean Kinsey

Software Developer (Senior) BRIK

Norway

I am a partner at BRIK where we create rich web sites focusing on content, enabling non-technical users to publish a variety of media easily.
We are also the technical partner on ExorLive, a web application for planning and tracking workouts.

I have worked mainly with .Net, MySQL and Javascript, and today most of my work is centered around creating rich and effective frontends with Javascript backed by Javascript-enabled webservices.

I am also the manager of the easyXDM project, enabling web developers to easily expose javascript API's.

Javascript Operators === & !==

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