External module "number/float64/base/signbit/docs/types/index.d"

Export assignment signbit

• signbit(x: number): boolean

• Returns a boolean indicating if the sign bit is on (true) or off (false).

  Parameters

  • x: number

    input value

  Returns boolean

  boolean indicating if sign bit is on or off

  Example

  var bool = signbit( 4.0 );
  // returns false

  Example

  var bool = signbit( -9.14e-307 );
  // returns true

  Example

  var bool = signbit( 0.0 );
  // returns false

  Example

  var bool = signbit( -0.0 );
  // returns true