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Internet Printing Protocol (IPP) encoder and decoder
Regular expression for matching IP addresses (IPv4 & IPv6)
Check if a string is an IP address
Check if the internet connection is up
- browser
- online
- offline
- is-online
- network
- connected
- connectivity
- internet
- is
- has
- detect
- hostname
- hostnames
- dns
- View more
Check if servers are reachable
- browser
- online
- offline
- network
- connected
- connectivity
- internet
- is
- has
- detect
- reachable
- reachability
- server
- host
- View more
Advanced, lightweight system and OS information library
- system information
- sysinfo
- monitor
- monitoring
- os
- linux
- osx
- windows
- freebsd
- openbsd
- netbsd
- cpu
- cpuload
- physical cores
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Check if a string is an IP address
Check if browser is Internet Explorer
Function name shim (especially for supporting function names in Internet Explorer).
Polyfill object-fit and object-position on images on IE9, IE10, IE11, Edge, Safari, ...
Stream-based MQTT broker
- mqtt
- broker
- server
- mqtt-server
- stream
- streams
- publish
- subscribe
- pubsub
- messaging
- mosca
- mosquitto
- iot
- internet
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A JavaScript polyfill for Flexbox
Node JavaScript module to check internet connectivity speed
A CLI for CoAP
Measure the speed and consistency of your internet connection using speed.cloudflare.com
A JS library for manipulating IP addresses, prefixes and ranges. Supports both IPv4 and IPv6.
Utility to check if internet is connected or not
Check if browser is Safari
Detects active internet connection, and API server status in Angular application.
Tiny script that tells you if the user's internet is fast