Number.litcoffee

¶

Adds helper methods to the native javascript Number class

@.add value

Returns @ incremented by value

If value is not a number the original value is returned unmodifed

Note that the original @ value is not modified
```
Number::add = (value)->
  if is_Number(value)
    @ + value
  else
    @
```
¶

@.dec [value]

Returns @ decremented by 1 or by [value] (if provided)

Note that the original @ value is not modified
```
Number::dec = (value)->
  if is_Number(value)
    @ - value
  else
    @ - 1
```

@.in_Between min, max

Returns true if @ is between min and max for example

(10).in_Between(5,15)  # returns true
(10).in_Between(10,15) # returns false
(10).in_Between(50,50) # returns false

Number::in_Between = (min,max )->
    (min < @ < max)

¶

@.inc [value]

Returns @ incremented by 1 or by [value] (if provided)

Note that the original @ value is not modified
```
Number::inc = (value)->
  if is_Number(value)
    @ + value
  else
    @ + 1
```

@.invoke_After callback

Invokes the callback function after @ miliseconds

Number::invoke_After = (callback)->
    if callback instanceof Function
        setTimeout callback, @

Number::wait = Number::invoke_After

@.is_Number

Returns true if @ is a number

Returns false if @ is NaN (i.e. Not a Number)

Number::is_Number = ->
  return @ instanceof Number and @.str().is_Not('NaN')

@.log

Logs @ to the console

Number::log =
  -> console.log @.toString()

¶

@.random

returns a random number between 0 and @
```
Number::random = -> ~~(Math.random()*@)
```
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@.str

Short version of toString

Number::str = -> @.toString()