document.getElementById('weather1').innerHTML = '天气:晴 <br />风力:≤3级 <br />温度:8℃';document.getElementById('weather2').innerHTML = '天气:雨夹雪 <br />风力:北风 <br />温度:6℃';document.getElementById('weather3').innerHTML = '天气:晴 <br />风力:北风 <br />温度:7℃';