Check if a div has a scrollbar

Check if a div has a scrollbar

var obj=document.getElementById("showDiv")
 
if(obj.scrollHeight>obj.clientHeight||obj.offsetHeight>obj.clientHeight){
    
     
	document.getElementById("hiddenDiv").style.height="15pt";
	console.log('该div有滚动条！')
} 

In the vue project, the method of restoring the initial position of the scroll bar

 this.$nextTick(()=>{
    
    
          let dom = document.getElementById('addContent');
          if(dom!==null){
    
    
            dom.scrollTop = 0;
          }
        })