js join方法
<html><script type="text/javascript" src="jquery-1.3.2.js"></script><head></head><body ><span id="s" ></span></body><script type="text/javascript"> var members=["John","Steve","Ben","Damon","Ian"]; document.getElementById('s').innerHTML=members.join('-');</script><script type="text/javascript"> var members=["John","Steve","Ben","Damon","Ian"]; $('#s').append(members.join('</br>'));</script></html>