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I am trying to get value of a input hidden field with an id like this

   leadConversionPage:leadConversionForm:pBConvertLead:pbSectionLeadSection:pbsiAccountName:accountLookup_lkid

I tried using 

$("#leadConversionPage:leadConversionForm:pBConvertLead:pbSectionLeadSection:pbsiAccountName:accountLookup_lkid").val();

but thats throwing an error

Error: Syntax error, unrecognized expression: unsupported pseudo: leadConversionForm

I dont have control of how the id is been created. This is the way id is generated by salesforce

Prady
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1 Answers1

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You need to escape : with \\:. This is required because : is reserverd as it is used with selectors.

Try this:-

$("#leadConversionPage\\:leadConversionForm\\:pBConvertLead\\:pbSectionLeadSection\\:pbsiAccountName\\:accountLookup_lkid").val();

From Docs

To use any of the meta-characters ( such as !"#$%&'()*+,./:;<=>?@[]^`{|}~ ) as a literal part of a name, it must be escaped with with two backslashes: \.

PSL
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    Yup. Right there. Article on it here: http://learn.jquery.com/using-jquery-core/faq/how-do-i-select-an-element-by-an-id-that-has-characters-used-in-css-notation/ – Phillip Berger May 23 '13 at 02:56