CSOM and JSOM in SharePoint – Explaining what the acronyms mean

Published on Author Rob WindsorLeave a comment

It seems that there is some confusion over these two acronyms. Let me see if I can’t help clear that up.

CSOM stands for (the) Client Object Model. This is a remote API that has three implementations: one for .NET managed code (e.g. C# and VB), one for Silverlight (yes, that still exists), and one for JavaScript.

JSOM stands for the JavaScript implementation of the Client Object Model.

So, JSOM is CSOM. It’s just a specific “flavor” of CSOM.

I hope this helps.

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