/**良哥的*/

function merge(a, b) {

    var aLen = a.length,

        bLen = b.length,

        maxLen = Math.max(aLen, bLen),

        sumLen = aLen + bLen,

        result = [],

        ap = 0,

        bp = 0;

     while (result.length < sumLen) {

        if (ap < aLen && bp < bLen) {

            if(a[ap] > b[bp]){

                result.push(b[bp++]);

            } else {

                result.push(a[ap++]);

            }

        } else if (!(ap < aLen)){

            while(bp < bLen){

                result.push(b[bp++]);

            }

        } else if (!(bp < bLen)){

            while(ap < aLen){

                result.push(a[ap++]);

            }

        }

    }

    return result;

}

/**鲁军*/

function merge(arr1, arr2){

    var i = 0;

    var j = 0;

    var c = 0;

    var k;

    var len1 = arr1.length;

    var len2 = arr2.length;

    var arr = [];

    for(;i<len1 && j<len2;){

        if( arr1[i] > arr2[j]  ){

            arr.push( arr2[j] );

            j++;

        }else{

            arr.push( arr1[i] );

            i++;

        }

        //if(i==len1 || j==len2){

        //    break;

        //}

    }

    if(i==len1){

        //arr = arr.concat(arr2.slice(j));

        for(k=j; k<len2; k++){

            arr.push( arr2[k] );

        }

    }

    if(j==len2){

        //arr = arr.concat(arr1.slice(i))

        for(k=i; k<len1; k++){

            arr.push( arr1[k] );

        }

    }

    return arr;

}

/*金锐的*/

function merge(a,b){

    var x = 0;

    var l = 0;

    var list = [];

    var aLen = a.length;

    var bLen = b.length;

    for(var i = 0; i < bLen; i++){

        for(var j = x; j < aLen; j++){

            if(b[i] < a[j]){

                list.push(b[i]);

                l = i;

                break;

            }else{

                list.push(a[j]);

                x++;

            }

        }

    }            

    if(x == a.length){

        for(var y = l; y < bLen; y++){

            list.push(b[y]);

        }

    }else{

        for(var z = x; z < aLen; z++){

            list.push(a[z]);

        }

    }

    return list;

}