qrcodejs | Javascript Library for all about QR codes | QRCode Processing library
kandi X-RAY | qrcodejs Summary
kandi X-RAY | qrcodejs Summary
Javascript Library for all about QR codes: Contains QR code encode, decode, launch webcam, select front/rear camera on mobile. The code here contains all about QR codes processing in javascript and in mobile. Presently works on android only since iOS does not yet support getUserMedia or WebRTC.
Support
Quality
Security
License
Reuse
Top functions reviewed by kandi - BETA
- opens the browser source
- Creates an 16 - bit byte byte array .
- Get type number
- Check if data URI is supported
- print media to buffer
- Load QR code
- the main function
- callback after success
- Download files
- Sets the image display
qrcodejs Key Features
qrcodejs Examples and Code Snippets
Community Discussions
Trending Discussions on qrcodejs
QUESTION
I'm trying to load a QR code into HTML5 canvas on top of a background image but it's not working for whatever reason. If I change the QR code to a normal it works fine but this is no good for my purposes.
I've tried a million variations but here's where I'm at right now:
...ANSWER
Answered 2021-Dec-11 at 16:44QUESTION
I am very new to this. I am trying to generate a QR code and display it in my HTMl page.
I used this code:
...ANSWER
Answered 2021-Oct-27 at 12:47I think this will make sense
QUESTION
I am using http://davidshimjs.github.io/qrcodejs/ to generate qr-code
...ANSWER
Answered 2021-Sep-02 at 09:52Try:
QUESTION
I've searched the web countless times trying to find a way to solve this but I've come up empty-handed every time. I have been using qrcode.js to generate QR codes for a website, but I haven't figured out how to download the image once it's been generated. The code I use to generate the QR code looks like this:
...ANSWER
Answered 2021-Jun-22 at 06:27The image is generated through the plugin and takes a moment to render, so the method needs to be done with setTimeout. After that, we grab the src
of the image and apply it to a download link (a link that has the attribute download
in it)
Note this won't work in the snippet sandbox, but it's been tested on a normal web page and works great.
QUESTION
so i building a url shortner which takes the url from python and generates a QR code in along with the shortUrl, i am using jinja2template for the UI, as i am very new to JavaScript the below code is mostly copied from Youtube and Internet.
This is the class which will show the converted shortUrl and will have a copy link button next o it
...ANSWER
Answered 2021-May-05 at 15:17Are you using davidshimjs/qrcodejs ?
When you're doing new QRCode(document.getElementById("qrcode"), url);
, the lib expect document.getElementById("qrcode")
to return the elem.
In the html code you provided, you don't seems to have that element.
You can try to add
QUESTION
Like I said in the title, my problem is that I get an empty string back.
I'm jusing qrcode.js from https://github.com/davidshimjs/qrcodejs .
My Code:
...ANSWER
Answered 2021-Apr-08 at 00:51The reason why you get an empty string back, even though you can see the src value in your dev tools, is that it takes a very short amount of time to generate the QR-Code.
So var base64 = document.getElementById("qr_neu").src;
is called before the QR-Code is generated.
Here is a relevant issues on the qrcode.js repository: https://github.com/davidshimjs/qrcodejs/issues/160.
Here is the solution adapted to your code:
QUESTION
Hi I want to implement this qr code generator in odoo pos but i don't have any idea how to do it and I can't see any tutorial even in Javascript reference in odoo 12
I want to generate a qr code with the receipt reference(this.uid) as output(when scanned) and display it in PosTicket
i've tried adding the qrcode.min.js and qrcode.js in my static/src/js folder and adding
...ANSWER
Answered 2020-Jul-06 at 06:14OK so I just need to move the js and min.js file in my static/src/js folder and add the code
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install qrcodejs
Support
Reuse Trending Solutions
Find, review, and download reusable Libraries, Code Snippets, Cloud APIs from over 650 million Knowledge Items
Find more librariesStay Updated
Subscribe to our newsletter for trending solutions and developer bootcamps
Share this Page