0506作业2019年5月7日 11:35:49

实例

<script>

    // while循环输出奇数
    var arr = [1,2,3,4,5,6,7,8,9];
    lenght = arr.length;
    var a = 0;
    while (a < lenght){
        if (arr[a]%2!== 0) {
            console.log(arr[a]);
        }
        a++;
    }

    // 对象字面量 用花括号包裹起来 非法的属性名称可以用引号包裹起来
    var b ={
        name:'mate 20 x',
        battery:'5000',
        "sc-reen":'7.2',
        price:'5999',
        information:function () {
            console.log('手机名称:'+this.name+' 电池容量:'+this.battery+' 屏幕大小:'+this["sc-reen"]+' ***价格:'+this.price);
        }
    };
    console.log(b.name);
    console.log(b.battery);
    console.log(b["sc-reen"]);
    console.log(b.price);
    console.log(b.name);
    b.information()

    // 函数表达式 计算三个数之和
    var c = function (d,e,f) {
        return d+e+f;
    };
    console.log('当前c的值为: '+c(5,8,9));



</script>