Ver 1.1

script.js

@@ -16,6 +16,7 @@ const checkboxes = document.querySelectorAll('input[name="xval"]');
 const submitBtn = document.getElementById('submit-btn');
 const globalError = document.getElementById('global-error');
 const resultsBody = document.getElementById('results-body');
+const clearHistoryBtn = document.getElementById('clear-history-btn');
 
 // Б - безопасность
 const STORAGE_KEY = 'web_lab1_history';
@@ -40,6 +41,15 @@ try {
 
 // Пошло поехало
 window.addEventListener('DOMContentLoaded', () => {
+    // Очистка истории
+    if (clearHistoryBtn) {
+        clearHistoryBtn.addEventListener('click', () => {
+            history = [];
+            localStorage.removeItem(STORAGE_KEY);
+            renderHistory();
+            drawGraph();
+        });
+    }
     renderHistory();
     drawGraph();
     validateForm();