syntax:

ToBoolean(value)

where:

value - to be cast as a boolean.

return:

boolean - conversion of value.

description:

The following list indicates how different data types are converted by this function.

•

Boolean
same as value

•

Buffer
same as for String

•

null
false

•

Number
false, if value is 0, +0, -0 or NaN, else true

•

Object
true

•

String
false if empty string, "", else true

•

undefined
false