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variable contains id name, how to select based on variable name

Brad Bansner
Brad Bansner asked
Last Modified: 2012-05-11
The variable "value" has the name of an ID (build that in line 1). Lines 2 and 3 are attempting to do things to objects with the ID of what the variable contains. But I get an error:

$('#'+value).attr('id').addClass is not a function
var value=$(this).attr('id').replace('dir_', 'day_');

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