//小白的比较版本号  

        let arr1=s1.split('.');
        let arr2=s2.split('.');
        for(let i=0;i<Math.min(arr1.length,arr2.length);i++){
            if (parseInt(arr1[i])>parseInt(arr2[i])){
                return 1;
                break;
            }else if(parseInt(arr1[i])<parseInt(arr2[i])){
                return -1;
                break;
            }else{
                return 0;
            }
        }
    }
let s1="1.1.0";
let s2="1.1";
console.log(compare(s1,s2));