qrcodejs | Cross-browser QRCode generator for javascript | Generator Utils library
kandi X-RAY | qrcodejs Summary
kandi X-RAY | qrcodejs Summary
Cross-browser QRCode generator for javascript
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Top functions reviewed by kandi - BETA
- Creates a 16 - bit bit bit integer .
- Get type number
- Check if data URI is supported
- android 2 . x
- Creates a new QRCode model .
- Create SVG element
- set image element
- Gets text length
- Creates a new QR polynomial
- Shorthand for testing
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
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