Convert each object key to lowercase.
Convert a string to lowercase.
Lowercase the keys of an object
Convert a string to lowercase.
Return an array of an object's own enumerable property names.
Determine the specification defined classification of an object.
Function which does nothing.
Determine a value's type.
Define (or modify) an object property.
Define a non-enumerable read-only property.
Add a callback to the next tick queue.
Load a manifest for compiling source files.
Return the global object.
Escape a regular expression string or pattern.
Return the prototype of a provided object.
Determine the name of a value's constructor.
Convert between POSIX and Windows paths.
Create a regular expression from a regular expression string.
Return a partial object copy containing only specified keys.
Return a partial object copy excluding specified keys.
Alias for eval global.
Return an array of an object's own enumerable and non-enumerable property names.
Constant function.
Define a read-only property.