learn.howToCalculate

learn.whatIsHeading

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.

ステップバイステップガイド

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()

解いた例