What vegetables are easy to grow and high-yielding on a balcony?

There are many kinds of vegetables to grow on a balcony. If you want to eat some greens without waiting until "the flowers have all withered," these easy-to-grow, high-yielding vegetables are the most suitable for us to plant on a balcony.
1. Fast-growing vegetables with a short cycle: baby bok choy, green garlic, sprouting vegetables, mustard greens, bok choy, leaf lettuce
2. Vegetables with a long harvest period: tomato, chili pepper, Chinese chives, coriander, cilantro, scallion, etc.
3. Space-saving vegetables: carrot, radish, lettuce, scallion, ginger, cilantro
4. Vegetables that are easy to plant: bitter melon, carrot, ginger, scallion, lettuce, baby bok choy
5. Vegetables that are not prone to pests: scallion, Chinese chives, sweet potato leaves, ginseng herb, aloe, corn salad
Are you growing any of these balcony vegetables at home?