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Zhanggc 发表于 2013-1-29 08:47:19

JS求Array的并集、差集

//合并array
    function hebing_array(a,b) {
        for (var i = 0, j = 0, ci, r = {}, c = []; ci = a || b; ) {
            if (r) continue;
            r = 1;
            c.push(ci);
        }
        return c;
    }
 
//求差集
function chaji_array(arr1,arr2){
    var arr3 = [];
    for (var i = 0; i < arr1.length; i++) {
                        var flag = true;
                        for (var j = 0; j < arr2.length; j++) {
                            if (arr2 == arr1) {
                                flag = false;
                            }
                        }
                        if (flag) {
                            arr3.push(arr1);
                        }
                    }
return arr3;
}

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