Crack the eggs into a bowl, add the 1/4 teaspoon salt, and beat lightly. Heat 2-3 tablespoons of the cooking oil in the wok until hot, then pour in the eggs and add the cooked french beans on top.
Tip: For fluffier eggs, cover the wok with a lid while they cook. The trapped steam helps them set through without drying out.
Cook over medium heat until the eggs are almost set, then toss everything together so the eggs break up and mix evenly with the beans.