Update index.html

index.html

@@ -698,9 +698,24 @@
                     
                     if (isSpeed) {
                          switch (currentSpeedQuestionType) {
-                            case 'zh-en': frontText = card.chinese; backText = card.english; break;
-                            case 'en-zh': frontText = card.english; backText = card.chinese; [speakBtn, speakSlowBtn].forEach(btn => btn.classList.remove('hidden')); break;
-                            case 'listen': frontText = '請聽發音'; backText = card.english; [speakBtn, speakSlowBtn].forEach(btn => btn.classList.remove('hidden')); speakWord(card.english, 0.75); break;
+                            case 'zh-en': 
+                                frontText = card.chinese; 
+                                backText = card.english; 
+                                answerInput.placeholder = "請輸入英文答案...";
+                                break;
+                            case 'en-zh': 
+                                frontText = card.english; 
+                                backText = card.chinese; 
+                                [speakBtn, speakSlowBtn].forEach(btn => btn.classList.remove('hidden')); 
+                                answerInput.placeholder = "請輸入中文答案...";
+                                break;
+                            case 'listen': 
+                                frontText = '請聽發音'; 
+                                backText = card.english; 
+                                [speakBtn, speakSlowBtn].forEach(btn => btn.classList.remove('hidden')); 
+                                speakWord(card.english, 0.75); 
+                                answerInput.placeholder = "請輸入英文答案...";
+                                break;
                         }
                     } else {
                          switch (currentMode) {
@@ -714,14 +729,20 @@
                                 answerInput.placeholder = "請輸入中文答案...";
                                 break;
                             case 'zh-en': case 'hard':
-                                frontText = card.chinese; backText = card.english; break;
+                                frontText = card.chinese; backText = card.english; 
+                                answerInput.placeholder = "請輸入英文答案...";
+                                break;
                             case 'en-zh':
                                 frontText = card.english; backText = card.chinese;
-                                [speakBtn, speakSlowBtn].forEach(btn => btn.classList.remove('hidden')); break;
+                                [speakBtn, speakSlowBtn].forEach(btn => btn.classList.remove('hidden')); 
+                                answerInput.placeholder = "請輸入中文答案...";
+                                break;
                             case 'listen':
                                 frontText = '請聽發音'; backText = card.english;
                                 [speakBtn, speakSlowBtn].forEach(btn => btn.classList.remove('hidden'));
-                                speakWord(card.english, 0.75); break;
+                                speakWord(card.english, 0.75); 
+                                answerInput.placeholder = "請輸入英文答案...";
+                                break;
                         }
                     }
                     frontDisplay.textContent = frontText;