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数组去重

  作者：chrispy

var arr = [2, 3, 4, 4, 5, 2, 3, 6],arr2 = [];for (var i = 0; i < arr.length; i++) {if (arr2.indexOf(arr[i]) < 0) {arr2.push(arr[i]);}}console.log(arr2);

var arr = [2, 3, 4, 4, 5, 2, 3, 6],

        arr2 = [];

    for (var i = 0; i < arr.length; i++) {

        if (arr2.indexOf(arr[i]) < 0) {

            arr2.push(arr[i]);

        }

    }

    console.log(arr2);


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