/*
 * js.js
 * Copyright (C) 2024 user <user@penguin>
 *
 * Distributed under terms of the MIT license.
 */
(function(){
  'use strict';
  
// Assuming t is obtained from some source and contains the sequence
let t = 'CAAAAAACCCCTCAAGACCCGTTTAGAGGCCCCAAGGGGTTATGCTAG' 

let a = String(t);
console.log(a);

class Model {
    static complement = {'A': 'T', 'T': 'A', 'C': 'G', 'G': 'C'};
    
    constructor(seq = null) {
        this.seq = seq;
    }
   
    complement_dna() {
        let complementary_sequence = '';
        for (let base of this.seq) {
            complementary_sequence += Model.complement[base];
        }
        return complementary_sequence;
    }
}

// Example usage:
let model = new Model(a);
console.log(model.complement_dna());

})();