cg-select/example/example.js

const firstBtn = document.getElementById('first');
const codeFirst = document.getElementById('codeFirst');

const secondBtn = document.getElementById('second');
const codeSecond = document.getElementById('codeSecond');

const thirdBtn = document.getElementById('third');
const codeThird = document.getElementById('codeThird');

const fourthBtn = document.getElementById('fourth');
const codeFourth = document.getElementById('codeFourth');

const fifthBtn = document.getElementById('fifth');
const codeFifth = document.getElementById('codeFifth');

const six = document.getElementById('six');
const codeSix = document.getElementById('codeSix');

const Native = document.getElementById('Native');
const codeNative = document.getElementById('codeNative');

firstBtn.addEventListener('click', () => {
  codeFirst.classList.toggle('active');
});

secondBtn.addEventListener('click', () => {
  codeSecond.classList.toggle('active');
});

thirdBtn.addEventListener('click', () => {
  codeThird.classList.toggle('active');
});

fourthBtn.addEventListener('click', () => {
  codeFourth.classList.toggle('active');
});

fifthBtn.addEventListener('click', () => {
  codeFifth.classList.toggle('active');
});

six.addEventListener('click', () => {
  codeSix.classList.toggle('active');
});

Native.addEventListener('click', () => {
  codeNative.classList.toggle('active');
});