Create calc.js

Author: yash31-sen

calc.js

@@ -0,0 +1,52 @@
+// Generate a random math problem
+function generateProblem() {
+  const operators = ['+', '-', '*', '/'];
+  const operand1 = Math.floor(Math.random() * 100) + 1;
+  const operand2 = Math.floor(Math.random() * 100) + 1;
+  const operator = operators[Math.floor(Math.random() * operators.length)];
+
+  return `${operand1} ${operator} ${operand2}`;
+}
+
+// Check the user's answer
+function checkAnswer(problem, answer) {
+  const result = eval(problem);
+  return result === answer;
+}
+
+// Start the game
+function startGame() {
+  // Generate a new problem
+  const problem = generateProblem();
+
+  // Display the problem to the user
+  const problemElement = document.querySelector('#problem');
+  problemElement.textContent = problem;
+
+  // Get the user's answer
+  const answerElement = document.querySelector('#answer');
+  answerElement.value = '';
+
+  // Add an event listener to the answer element to check the user's answer when they press enter
+  answerElement.addEventListener('keydown', function(event) {
+    if (event.keyCode === 13) {
+      // Get the user's answer
+      const answer = answerElement.value;
+
+      // Check the user's answer
+      const isCorrect = checkAnswer(problem, answer);
+
+      // Display the feedback to the user
+      const feedbackElement = document.querySelector('#feedback');
+      feedbackElement.textContent = isCorrect ? 'Correct!' : 'Incorrect.';
+
+      // If the user's answer is correct, start a new game
+      if (isCorrect) {
+        startGame();
+      }
+    }
+  });
+}
+
+// Start the game when the page loads
+window.addEventListener('load', startGame);