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2413a8d3ed
This means node's crypto.randomBytes on the server, and window.crypto.getRandomValues on the client. If node's crypto.randomBytes throws an exception, we fall back to crypto.pseudoRandomBytes. If window.crypto.getRandomValues isn't supported by the browser, we fall back to the alea generator that we had been using previously.
33 lines
946 B
HTML
33 lines
946 B
HTML
<template name="pkg_random">
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{{#better_markdown}}
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## `random`
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The `random` package provides several functions for generating random
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numbers. It uses a cryptographically strong pseudorandom number generator when
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possible, but falls back to a weaker random number generator when
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cryptographically strong randomness is not available (on older browsers or on
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servers that don't have enough entropy to seed the cryptographically strong
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generator).
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<dl class="callbacks">
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{{#dtdd "Random.id()"}}
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Returns a unique identifier, such as `"Jjwjg6gouWLXhMGKW"`, that is likely to
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be unique in the whole world.
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{{/dtdd}}
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{{#dtdd "Random.fraction()"}}
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Returns a number between 0 and 1, like `Math.random`.
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{{/dtdd}}
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{{#dtdd "Random.choice(arrayOrString)"}}
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Returns a random element of the given array or string.
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{{/dtdd}}
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{{#dtdd "Random.hexString(n)"}}
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Returns a random string of `n` hexadecimal digits.
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{{/dtdd}}
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</dl>
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{{/better_markdown}}
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</template>
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