Longern

Blog

25 Jan 2019

QRCode Generator Demo

Demo Source <script src="https://cdnjs.cloudflare.com/ajax/libs/qrcode-generator/1.4.1/qrcode.min.js"></script> <script> function makeQRCode(data, imgId) { var qr = qrcode(0, 'M'); qr.addData(data); qr.make(); document.getElementById(imgId).src = qr.createImgTag(4); }...

24 Jan 2019

Simple BPM Counter

Demo Tap Clear BPM: Press space to tap, backspace to clear.

21 Jan 2019

Pitch Detector

Algorithm from here Project from here Pitch: Hz Note:

20 Jan 2019

Online Chord Piano Using MIDI.js

Pitch shift: 0 + - Press 1~7 to play!

19 Jan 2019

Encrypted Blog Using CryptoJS

Password: Tutorial Import CryptoJS. <script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/crypto-js.js"></script> Convert your content into ciphertext in console. DO NOT commit or it will leak...

17 Jan 2019

Peer to Peer Chatroom

Introduction This is a simple chatroom based on PeerJS. Share this link: to start.