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Rando.js

A lightweight solution to simplify randomness.
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How to use

Paste the script tag provided above into the head of your HTML document. And then- WHAM! Just like that, you're ready to use all of these simple commands in the document's JavaScript:

numbers

rando()
Returns a floating-point number between 0 and 1 (could be exactly 0, but never exactly 1).
rando(5)
Returns an integer between 0 and 5 (could be 0 or 5).
rando(5, 10)
Returns an integer between 5 and 10 (could be 5 or 10).
rando(5, "float")
Returns a floating-point number between 0 and 5 (could be exactly 0, but never exactly 5).
rando(5, 10, "float")
Returns a floating-point number between 5 and 10 (could be exactly 5, but never exactly 10).

booleans

rando(true, false)
Returns either true or false.

arrays

rando(["duck", "duck", "goose"])
Returns {index:..., value:...} object representing a value of the provided array OR false if array is empty.

objects

rando({name: "Chuck Norris", roundhouse: true, age: "functionally immortal"})
Returns {key:..., value:...} object representing a property of the provided object OR false if object has no properties.

jQuery elements

rando($("div"))
Returns {index:..., value:...} object representing a jQuery element from the provided jQuery element set OR false if the provided jQuery element set does not contain any elements.

strings

rando("gee willikers!")
Returns a character from the provided string OR false if the string is empty. Reoccurring characters will naturally form a more likely return value.

invalid parameters

rando(null)
Returns false.

Prevent repetitions

By grabbing a sequence and looping through it.

numbers

randoSequence(5)
Returns an array of integers from 0 through 5 in random order.
randoSequence(5, 10)
Returns an array of integers from 5 through 10 in random order.

arrays

randoSequence(["eeny", "meeny", "miny", "moe"])
Returns array of {index:..., value:...} objects representing the values of the provided array in random order.

objects

randoSequence({species: "mouse", blind: true, count: 3})
Returns array of {key:..., value:...} objects representing the properties of the provided object in random order.

jQuery elements

randoSequence($("input"))
Returns array of {index:..., value:...} objects representing a jQuery elements from the provided jQuery element set in random order.

strings

randoSequence("Good gravy!")
Returns the characters of the provided string in random order.

invalid parameters

randoSequence(null)
Returns false.
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