Use a hash ref as the first arg. Any keys will be used as attributes:

div({id=>'div1'}, "text");
<div id="div1">text</div>
a({href=>'http://perlmonks.org', id=>'pmlink'}, "Perlmonks.org");
<a href="http://perlmonks.org" id="pmlink">Perlmonks.org</a>
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