JavaScript:multidimensional arrays to one dimensional array

toArray.js

/* Recursion Method */
function toArray(array) {

    var result=[];

    function toarray(array) {
        for (var l=array.length,i=0;i<l;i++) {
            if (Array.isArray(array[i])) {
                toarray(array[i]);
            } else {
                result.push(array[i]);
            }
        }
        return result;
    }

    return toarray(array);
}

/* Stack Method */
function toArray(array) {
    var result=[], stack=[], p;
    stack.push(array);
    while (stack.length !== 0) {
        p = stack.pop();
        if (Array.isArray(p)) {
            stack = stack.concat(p);
        } else {
            result.push(p);
        }
    }
    return result.reverse();
}

/* Queue Method */
function toArray(array) {
    var result=[], queue=[], p;
    queue.push(array);
    while (queue.length !== 0) {
        p = queue.shift();
        if (Array.isArray(p)) {
            queue = p.concat(queue);
        } else {
            result.push(p);
        }
    }
    return result;
}

/* splice Method from @xnreformer */
function A(a){
    var r=a.concat(), /* make a copy */
        i=0;
    while (i<r.length) {
        if (Array.isArray(r[i])) {
            r.splice.apply(r,[i,1].concat(r[i]));
        } else {
            i++;
        }
    }
    return r;
}