Initially in the Blackjack game, I had hardcoded the card numbers.
In today's practice, I made the New Card button generate a random number for every new card.
Here's how I did it:
- I created a getRandomNumber() function.
- Used Math.random() method to generate a random number.
- Math.random generates a number from the range 0.000000 to 0.9999999 (not inclusive of 1).
- I needed to generate an integer value for every card in the Deck (13 cards in total).
- To generate this with Math.random(), I used *Math.random() 13. This would generate values within the range of 0.00000 - 12.99999999 (not inclusive of 13).**
- To get the integer values of the numbers in the above range, I used *Math.floor(Math.random() 13)**. This gave me integer values from 0 to 12.
- To get the range (1 - 13) I needed for my deck of cards, I mutiplied the above step by 1. Math.floor(Math.random() 13) 1.
- The Ace in my deck is worth 11 points. To get this, I used an if condition to return 11 if the card value was 1.
- For the King, Queen and Jack cards, which are all worth 10 points, I used an if condition to return the value 10, if the numbers were greater than 10 (that is 11 to 13).
- Finally, I assigned the getRandom function() to every card in the cards array (instead of the hard coded values).
And here's what it looks like.
The random numbers it generates.
I also ensured the New game button can no longer draw a card once the game is ended by using a coditional.
PS: It's my first time learning how the Blackjack game even works.😁