bot
HTML
<div class="teams">
<div class="teamname">
<div class="name">teste1</div>
</div>
<div class="teamname">
<div class="name">teste2</div>
</div>
</div>
<div id="team1"></div>
JavaScript
var teams = $("div.team2s").find(".teamname .name");
$("#team1").text(teams.length);