js控制联动滚动条，2个滚动条同时联动代码

html

<div class="gongfama"></div>
<div class="gongfuma2"></div>

js代码

 
    // 滚动条同步
    var gongfuma=document.querySelector('.gongfuma')
    var gongfuma2=document.querySelector('.gongfuma2')
    gongfuma.addEventListener('scroll',function(){
        gongfuma2.scrollLeft = gongfuma.scrollLeft; // 左右滚动
        console.log('zhixing');
        gongfuma2.scrollTop = gongfuma.scrollTop; // 上下滚动
    })
    // gongfuma 滚动 让gongfuma2也滚动
    gongfuma2.addEventListener('scroll',function(){ 
        gongfuma.scrollLeft = gongfuma2.scrollLeft;
        console.log('zhixing');
        gongfuma.scrollTop = gongfuma2.scrollTop; 
    })