数组中有重复的元素将重复元素去除

function unique(arr){
    var len = arr.length;
    var result = []
    for(var i=0;i<len;i++){
        var flag = true;
        for(var j = i;j<arr.length-1;j++){
            if(arr[i]==arr[j+1]){
                flag = false;
                break;
            }
        }
        if(flag){
            result.push(arr[i])
        }
    }
    return result;
}

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转载自blog.csdn.net/weixin_39717076/article/details/80283086