通过 .filter剔除数组中不需要的字符（小案例）

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var arr = [10,25,25,20,0,25,13,0,14];

var jieguo = arr.filter(function (ele) {

        return ele !=0;

    }); 

console.log(jieguo);   // 结果[10,25,25,20,25,13,14];