从1-10的数组中随机选择不重复的3项样本

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    var result = [];
    var ary = [1, 2, 3, 4, 5, 6 ,7, 8, 9 ,10];
    while(true)
    {
        var random = parseInt((Math.random() *10));

        if(!result.includes(ary[random]))
        {
        	result.push(ary[random]);
        }

        if(result.length == 3)
        {
        	break;
        }
    }

    console.log(result);

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