IS Packages

Check if a number is a HTTP Client Error code

Determines if the environment is Cloud Foundry

Find out if a computer is charging

Check if an URL is from CDN

Detect if your code is running in the Chakra JavaScript engine

Returns true if the given number is 3, false otherwise.

Returns true if the given number is 2, false otherwise.

Returns true if the given number is 0, false otherwise.

is all equal.

Returns true if the given number is 7, false otherwise.

Returns true if the given number is 6, false otherwise.

Check if a string or buffer is esnext

Determines if x is equal to y

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

is undefined

Check if something is a factorial

Check if a file is available globally in PATH

Check if a Buffer/Uint8Array is an FLV video

Determines if x is greater than y

Determine if a resource is a JSON file.