previous_row([$type = 'object'])

byte_format($num[, $precision = 1])

get_mime_by_extension($filename)

use_strict([$state = TRUE])

error_array()

request_headers([$xss_clean = FALSE])

convert_ascii($str)

CodeIgniter provides a library to help you with certain common functions that you may want to use with Javascript. Please note that CodeIgniter does not require the jQuery

get_output()

method([$upper = FALSE])