I want to capture the email address from the following email capture

the email is generating with javascript and It was decoded. So I know I can not capture the email.
I noticed, I couldn't select the "output" or It's child element for some reasons.
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$myemail = $item->find ('#field_11 .output');Code: Select all
$myemail = $item->find ('#field_11');
Firebug screenshot
I guess If I remove the <!-- I'll able to print the value. I was trying to trim the <!-- by follwing method but none of them work
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trim($myemail, "!--//");Code: Select all
trim(strip_tags($myemail), "!--//");Code: Select all
trim(htmlentities($myemail), "!--//");Code: Select all
html_entity_decode
htmlspecialchars_decode
utf8_decode