[jQuery] grabbing html and putting it back

[jQuery] grabbing html and putting it back


anyone. Please look at the following example, useless code since it's
just
grabbing, html and putting it back again but I need to do this and
more inbetween
my problem is that it's just not working, my browser kindof crashing,
not
completely but nearly
var mol_elements = $( '#molecules_holder' ).html();
    $( "#molecules_holder" ).empty();
    $( "#molecules_holder" ).append( mol_elements );
/pär