update sharepoint list using javascript

Question

i have below requirement and i do not know how to write the javascript function to update in sharepoint list:

Basic ui:

Name:(Text box)

Id:(dropdown box)

Area interetested:(one checkbox)

submit button

when i click the above submit button it should update the list item with name,id,area interested. i do not know how to bind the dropdown box values and checkbox values using javascript also how to update the sharepoint list item

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Blitz

Answer 1

You can use JSOM(ECMA script) to update the list items

http://social.msdn.microsoft.com/Forums/sharepoint/en-US/1e3ba3c8-9dd2-4bdb-80b7-ac21d26cf8f2/update-sharepoint-list-using-jquery?forum=sharepointcustomizationprevious

http://blogs.msdn.com/b/sharepointdev/archive/2011/07/25/working-with-the-ecmascript-client-object-model-jsom-in-sharepoint-2010-part-4-nikhil-sachdeva.aspx

Other option is you can  http://spservices.codeplex.com/  codeplex solution

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Answer 2

In addition, Have below link for your reference.

Add/Update listitem using JQuery SPServices()

Thanks.