IS Packages

Check if a number is composite

Want to know if your computer is off? This algorithm is proven to always return the correct result.

It's the computer turned on? You never be sure!

Checks if a given function is deprecated.

Returns true if the given number is 8, false otherwise.

Returns true if the given number is 5, false otherwise.

Returns true if the given number is 4, false otherwise.

Returns true if the given number is 9, false otherwise.

Returns true if the given number is 1, false otherwise.

Check if the given value is an empty array buffer.

A small module to detect letters by checking if it has a lowercase and uppercase version.

Check if an argument is anything

A javascript module to check the internet connectivity periodically to control the flow of app and restrict crashing of application.

Check if a file path is an archive file

Check if a buffer/Uint8Array is an AVI file

Detect if your code is running in an Azure Function

Checks given value is backslash - support char code number, hex, unicode or string value to be given.

Check if the given value is a Blob URL.

Check if given function is bound or not.

Check if given function is bound or not.