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- function solve() {
- let buttons = document.getElementsByTagName('button');
- let nextBtn = buttons[0];
- nextBtn.addEventListener('click', nextEvent);
- let cancelButton = buttons[1];
- cancelButton.addEventListener('click', cancelEvent);
- let currentStep = -1;
- let steps = document.getElementById('content').children;
- function nextEvent () {
- document.getElementById('content').style.backgroundImage = 'none';
- if (currentStep === 0) {
- let disagreeBtn = document.getElementById('firstStep').getElementsByTagName('input')[1];
- if (disagreeBtn.checked) {
- return;
- }
- nextBtn.style.display = 'none';
- setTimeout(() => {
- nextBtn.style.display = 'inline';
- }, 3000)
- }
- if (currentStep === 1) {
- nextBtn.style.display = 'none';
- cancelButton.textContent = 'Finish';
- }
- if (currentStep !== -1) {
- steps[currentStep].style.display = 'none';
- }
- if (currentStep === 2) {
- document.getElementById('exercise').getElementsByTagName('section')[0].style.display = 'none';
- }
- currentStep++;
- steps[(currentStep)].style.display = 'block';
- }
- function cancelEvent () {
- document.getElementById('exercise').getElementsByTagName('section')[0].style.display = 'none';
- }
- }
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