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对象中的数组

时间:2016-04-09 10:34:39      阅读:163      评论:0      收藏:0      [点我收藏+]

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    function weekTemps() {
        this.dataStore = [];//属性
        this.add = add;//方法
        this.average = average;//方法
    }
    function add(temp) {
        this.dataStore.push(temp);
    }
    function average() {
        var total = 0;
        for ( var i = 0; i < this.dataStore.length; ++i) {
            total += this.dataStore[i];
        }
        return total / this.dataStore.length;
    }
    var thisWeek = new weekTemps();
    thisWeek.add(52);
    thisWeek.add(55);
    thisWeek.add(61);
    thisWeek.add(65);
    thisWeek.add(55);
    thisWeek.add(50);
    thisWeek.add(52);
    thisWeek.add(49);
    alert(thisWeek.average()); // 显示 54.875

 

对象中的数组

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原文地址:http://www.cnblogs.com/feile/p/5370972.html

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