js-4字符串分割

www.nowcoder.com/practice/d9…

var line,arr=[]
function HJ4(str){
    var len = 8-str.length
     for(let j=0;j<len;j++){
                    str+='0'
                }
    console.log(str)
}
while(line=readline()){
        if(line.length>=8){
        var n = 8
        for(let i = 0,l=line.length;i<l/n;i++){
            var str = line.slice(n*i,n*(i+1))
            if(str.length==8){
                console.log(str)
            }else if(str.length<8){
                HJ4(str)
            }
         }
    }else if(line.length<8){
        HJ4(line)
    }
}