How Do I Make An Object Jump

I Have Made A Script So My Cube Can Move Around But I Can't Figure Out How To Jump,
Someone Help!!

 

unity gives you an example here

http://docs.unity3d.com/ScriptReference/Rigidbody-velocity.html

 

oh thanx

 

In case you still need help or anyone that comes across this in the future (c#):

// rename jumpscript to your script name
public class jumpscript : MonoBehaviour {

public float moveSpeed;

void Update () {
// make sure "Up" button is space or what ever button you want in the input manager
if (Input.GetButton("Up")) {
transform.Translate (Vector3.up * moveSpeed * Time.deltaTime);
}
}

 

i would use this code @blutackboy fpr climbing a ladder, as this is a constant up movement and not a jump behaviour

 

Ah I see, glad you found a use for it!