Jquery find all ids starting with a string?
Use the attribute-starts-with selector:
$('[id^="content_"]').hide();
To limit the search to elements within extra_content:
$('#extra_content [id^="content_"]').hide();
Use the attribute-starts-with selector:
$('[id^="content_"]').hide();
To limit the search to elements within extra_content:
$('#extra_content [id^="content_"]').hide();