网页显示评分函数封装

@params evaluation  = 4.2/5.0/0.3 3.1 等等。
commentStart(evaluation){
          //分数图片的数组0-10 表示0.1-1分星星图标
    let starKu = [
        "grade0.png",
        "grade1.png",
        "grade2.png",
        "grade3.png",
        "grade4.png",
        "grade5.png",
        "grade6.png",
        "grade7.png",
        "grade8.png",
        "grade9.png",
        "grade10.png"
    ];
    //默认5分 
    let starList = [
        "grade10.png",
        "grade10.png",
        "grade10.png",
        "grade10.png",
        "grade10.png"
    ];

    if(!evaluation){
        return starList;
    }

    for (let i = 0;i < 5;i++){
        if(evaluation >0 && evaluation<1){
            evaluation = evaluation.toFixed(1)；
            starList[i] = starKu[evaluation*10];
        }else if(evaluation < 0){
            starList[i]= starKu[0];
        }
        --evaluation;  
    }

   return starList; //返回分数数组
}