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Should I prefer a function or an if-statement for any action

I have been coding a game for a while and I want to add the settings menu, the death menu and the victory menu. For making those menus visible, I thought about 2 different options:

1:

game_loop(){
  game();
  document.resume_button.onclick = function(){"paused = false"};
  document.pause_button.onclick = function(){"paused = true"};
    if(!paused){
       //if(!document.pauseMenu.visibility = "visible"){  //just an idea to prevent unnesecessary actions
           document.pauseMenu.visibility = "hidden";
       //}
    }else{
      //if(document.pauseMenu.visibility = "hidden"){
        document.pauseMenu.visibility = "visible";
      //}
   }
}

2:

game_loop(){
  game();
  document.resume_button.onclick = gameOver(0);
  document.pause_button.onclick = gameOver(1);
}
gameOver(x){
  switch(x){
    case 0: 
    document.pauseMenu.visibility = "hidden";
    break;
    case 1:
    document.pauseMenu.visibility = "visible";
  }
}

the difference between both is, that the first one always checks paused and changes the value, pressing on a button, while the second one executes gameOver() once, pressing on a button.

Does anyone know which one is better in perfomance and usage ( for example the first one alway does the menu if its paused while the second one only shows the menu if the button is pressed)

Via Active questions tagged javascript - Stack Overflow https://ift.tt/2FdjaAW
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