use Mojo::DOM;
$|=1;
my $text='<span class="f-f60 fb">one</span>two</li>
<li>three<span class="f-f60 fb" id="deliveryCount">WORK</span>five</li
+>
<li>ABC<span class="f-f60 fb" id="contactCount">XYZ</span>
';
my $dom = Mojo::DOM->new($text);

for my $e ($dom->find('span[id]')->each) {
    my $id=$e->{id};
    if($id eq 'deliveryCount'){
        print $id, ':', $e->text, "\n";
    }
}
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Thank you ! May I ask another question ? How to directly locate deliveryCount,get text content WORK? Is it not need to use loop method,such as for,to lookup spanid?