วิธีการคำนวณ Random Name Picker

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A random name picker selects one or more names from a list using a random number generator. Used for classroom draws, raffle winners, team assignments, and decision making. A fair random picker gives each entry an equal probability of selection.

คำแนะนำทีละขั้นตอน

1. 1Generate a random index between 0 and (list length - 1)
2. 2Return the name at that index
3. 3For multiple picks without replacement: remove selected names from pool
4. 4Cryptographically secure random: use crypto.getRandomValues() not Math.random()

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