悠悠楠杉
网站页面
                
            
                                            
                把数组里的值依次放到span中去!
html如下:
<div class='b'><span></span></div>
<div class='b'><span></span></div>
<div class='b'><span></span></div>
<div class='b'><span></span></div>
<div class='b'><span></span></div>
<div class='b'><span></span></div>
js如下:
<script>
    var a = ['1','2','3','4','5','6'];
    var b = document.querySelectorAll(".b span");
    a.forEach(function(v, i){
        b[i].innerHTML = v;
    });
</script>
jq如下:
<script>
    var a = ['1','2','3','4','5','6'];
    $('.b span').each(function(index,element){
        $(element).html(a[index])
    })
</script>