function solve () {
  let allSections = document.querySelectorAll('section')
  let wrongAnswersCount = 0

  let wrongAnswersText = [
    'onmouseclick',
    'JSON.toString()',
    'The DOM is your source HTML'
  ]
  let sections = Array.from(document.getElementsByTagName('section'))

  let answers = document.getElementsByClassName('answer-text')

  for (let j = 0; j < answers.length; j++) {
    answers[j].addEventListener('click', function () {
      if (wrongAnswersText.includes(this.innerHTML)) {
        wrongAnswersCount++
      }

      let section = sections.shift()
      section.style.display = 'none'
      let nextSection = section.nextElementSibling
      nextSection.style.display = 'block'
      console.log(section)
    })
  }
}