Can I convert a C# script to a javascript. This script:

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Targetting : MonoBehaviour {
    public List<Transform> targets;
    public Transform selectedTarget;
    private Transform myTransform;

    void Start () {
        targets = new List<Transform>();
        selectedTarget = null;
        myTransform = transform;

        AddAllEnemies();
    }

    public void AddAllEnemies()
    {
        GameObject[] go = GameObject.FindGameObjectsWithTag("enemy");

        foreach(GameObject enemy in go)
            AddTarget(enemy.transform);
    }
    public void AddTarget(Transform enemy)
    {
        targets.Add(enemy);
    }

    private void SortTargetsByDistance()
    {
        targets.Sort(delegate(Transform t1, Transform t2){ 
            return Vector3.Distance(t1.position,myTransform.position).CompareTo(Vector3.Distance(t2.position,myTransform.position));
        });
    }

    private void TargetEnemy()
    {
        if(selectedTarget == null)
        {
            SortTargetsByDistance();
            selectedTarget = targets[0];
        }
        else
        {
            int index = targets.IndexOf(selectedTarget);

            if(index < targets.Count - 1)
            {
                index++;
            }
            else
            {
                index = 0;
            }
            DeselectTarget();
            selectedTarget = targets[index];
        }
        SelectTarget();
    }

    private void SelectTarget()
    {
        selectedTarget.renderer.material.color = Color.red;
    }

    private void DeselectTarget()
    {
        selectedTarget.renderer.material.color = Color.blue;
        selectedTarget = null
    }

    // Update is called once per frame
    void Update () {
        if(Input.GetKeyDown(KeyCode.Tab))
        {
            TargetEnemy();
        }
    }
}