var input = document.getElementById("txt-input");
var output = document.getElementById("txt-output");
var btn = document.getElementById("btn-convert");
var nt = require("ntseq");
var input = document.getElementById("txt-input");
var output = document.getElementById("txt-output");
var btn = document.getElementById("btn-convert");
var nt = require("ntseq");
var input = document.getElementById("txt-input");
var output = document.getElementById("txt-output");
var btn = document.getElementById("btn-convert");
input.addEventListener("change", updateBox);
btn.addEventListener("click", updateBox);
function updateBox(){
var seq = new nt.Seq();
seq.read(i1.value);
i2.value = seq.translate();
}