Simple jumping script problems

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1

#pragma strict

function Jump () { 

if (Input.GetButtonDown ("Jump"));
rigidbody2D.AddForce (Vector3.up);

}

When I press spacebar nothing happens, I’ve tried to change everything I can and it won’t work.

2

if (Input.GetButtonDown (“Jump”));
rigidbody2D.AddForce (Vector3.up);

Should go inside of

function Update()
{


}

edit: Also, the correct code should be

if (Input.GetButtonDown ("Jump"))
{
rigidbody2D.AddForce (Vector3.up);
}