how can i fix my java script errors?

Hi guys I need help,im trying to test my new realheath script,but I bumped to 18 errors and I just can't figure out how to fix these errors can you guys hep me out please?Im a middle class in javascripting only,but I'm trying very hard to understand javascripting.Here is the 18 errors:

Assets/realhealth.js(5,34): UCE0001: ';' expected. Insert a semicolon at the end. Assets/realhealth.js(6,25): UCE0001: ';' expected. Insert a semicolon at the end. Assets/realhealth.js(20,17): BCE0044: expecting ), found ':'. Assets/realhealth.js(20,19): BCE0043: Unexpected token: animation. Assets/realhealth.js(23,21): BCE0044: expecting ), found ':'. Assets/realhealth.js(23,23): BCE0043: Unexpected token: alive. Assets/realhealth.js(26,22): BCE0044: expecting ), found '='. Assets/realhealth.js(26,24): BCE0043: Unexpected token: alive. Assets/realhealth.js(29,21): BCE0044: expecting ), found '='. Assets/realhealth.js(29,23): BCE0043: Unexpected token: alive. Assets/realhealth.js(36,18): UCE0001: ';' expected. Insert a semicolon at the end. Assets/realhealth.js(37,9): BCE0044: expecting (, found 'DeathTime'. Assets/realhealth.js(37,19): BCE0043: Unexpected token: =. Assets/realhealth.js(37,21): BCE0043: Unexpected token: get. Assets/realhealth.js(37,30): BCE0044: expecting ), found '='. Assets/realhealth.js(37,31): UCE0001: ';' expected. Insert a semicolon at the end. Assets/realhealth.js(37,32): BCE0044: expecting EOF, found '1'. Assets/realhealth.js(48,17): BCE0044: unexpected char: 'f'.

I tried to fix some but more errors showed so undid my fixed issues and got back to 18 errors.Heres the script hope you guys help me out thanks!

 var Health : int = 100;
 var Player : Transform;
 var DeadPlayer : GameObject;
 private var DeadAnimation : Animation; 
 private var DeathTime : float.int 1;
 private var Damage : int 20;
 private var DamageObject: GameObject;
 
 Function Health () {
     if( Health < 0);
         alive = false;
         deathTime = Time;
     
     if (health > 0);
         Alive = true;
     
     health = (int < 100);    
       }
 Function DeadAnimation (Animation){
   if(health < 0 : animation);
       Alive = false;
 
        if(Animation : alive);
          Alive = true;
      
        if(health > 0 = alive);
          Alive = true;
   
        if(Animation = alive);
          Alive = false;
          }
  
 Function DeathTime (){
  }
    var DeathTime : Animation.Time.int = 1;
    var Time = int 1;
      if DeathTime = get(Time = 1);
           
 Function Player (){
          get(Player.GameObject);
           }
 
 Function DeadPlayer (GameObject){
   if(get.DeadPlayer : GameObject.Transform);
   
 Function Damage(){
 (Damage = int= 20);
  if(Health =100.function.Damage = 100 - 20 = int:80);
  get(DamageObject.Transform.GameObject);
        }
    }
 }