Count

[drago18121996]

export function nucleotideCounts(lett:string) {

const res: Record<string, number> = { A: 0, C: 0, G: 0, T: 0,}; // ricordarsi la virgola alla fine!

for(let i=0; i<lett.length; i++){

let char = lett[i]; // salvare il valore specifico che viene poi riaggiornato. 

if(lett[i] == 'A' || lett[i] == 'C' || lett[i] == 'G' || lett[i] == 'T') res[char]++;

else throw new Error('Invalid nucleotide in strand');

}

return res;

}

​

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