function innertel(){
var tellist = "<li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li>"
$("#tellist").append(tellist);
}
var tellist = "<li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li><li><span>15:33</span><a href='#'>1557777777</a></li>"
$("#tellist").append(tellist);
}
html+html
append
appendTo
好好看看API