Compare Values of 2 arrays for TicTacToe

1

Hello Everyone! can you please help me to solve this algorithm…

My goal is to iterate 2 Arrays and compare them to find out if values from a single Array like: [0, 2, 1] are the same to one of this Sub Arrays: [0, 1, 2], [3, 4, 5], [6, 7, 8], [0, 3, 6],…
On this case it should return true bacause [0, 2, 1] and [0, 1, 2] have the same values: 0, 1, 2.

Here is an Exemplo code to this problem:

let clicksPlayerO = [0, 4, 3];

const gameWinner = [
					[0, 1, 2],
					[3, 4, 5],  
					[6, 7, 8],
					[0, 3, 6],
					[3, 4, 5],
					[6, 7, 8],
					[0, 4, 8],
					[6, 4, 2]
					];

 if(clicksPlayerO.length >= 2){
 	console.log('Array length: ' + clicksPlayerO + ' length is bigger or iqual than 2!');
 	//is some of this values: [0, 2, 1] equal to this one of arrays values: [0, 1, 2], [3, 4, 5],  [6, 7, 8], [0, 3, 6], [3, 4, 5]
 	// this should be true because both array has same numbers:  [0, 2, 1] and this [0, 1, 2]
}else{
	console.log('Array length: ' + clicksPlayerO + ' length is smaller than 2!');
}

This logic I would like to use for a TicTacToe game.
Here is the Link where I currently worrking :

https://codepen.io/Alanes/pen/WMaBMB?editors=1111

2

Pseudo code.
iterate over 1st array.
if value exists in 2nd array, ok continue checking
else fail - not a match
repeat until all values are found in 2nd array.

Note, you have and array of arrays so each one needs checking via another iterator (loop).

3

Thank you Johnny!

If i do like following Code:

let clicksPlayerO = [0, 8, 1];

const gameWinner = [
					[0, 1, 2],
					[3, 4, 5],  
					[6, 7, 8]
					];

 if(clicksPlayerO.length >= 2){
 	for(let i = 0; i < gameWinner.length; i++){
 		//console.log(gameWinner[i]);
 		for(var j = 0; j < gameWinner[i].length; j++){
 			//console.log(gameWinner[i][j]);
	 		if (gameWinner[i][j] === clicksPlayerO[0]) {

	 			console.log(gameWinner[i][j] + ' matches');

	 		}else if(gameWinner[i][j] === clicksPlayerO[1]){

	 			console.log(gameWinner[i][j] + ' matches!');

	 		}else if(gameWinner[i][j] === clicksPlayerO[2]){

	 			console.log(gameWinner[i][j] + ' matches!');
	 		}else{
	 			console.log('no matches!');
	 		}
	 	}
 	}
}

I’m doing somthing wrong and I can see it…:disappointed_relieved:
It returns always true, :ok_woman: because the second for Loop get all Values from const gameWinner Array together and then compare. Of course it will be true :see_no_evil:
But what I want to do with the second Loop is: get every sub array and compare every 3 Values inside of every sub Array . And see if them are same values to my let clicksPlayerO = [0, 8, 1]

4

I recommend using .indexOf() function to test for the presence of an item in the array. Then you won’t need so many loops.