jquery.qrcode.js as Superstructure of the algorithm Kazuhiko Arase

- You can encode any number of symbols(tested on a text of reasonable limits)
- The method of generation - a table or canvas
- You can change the size of the canvas or a table cell with CSS
- You can specify a color QR-code in source code of plugin
- Does not support the Cyrillic alphabet (like an algorithm, based on which made ​​this plugin)

← http://ppdd.ws/qr

$('#detector').qrcode({
     render: "table", // render using a table (cross-browser)
     text: "http://ppdd.ws/" // string to be encoded
});	

Magnitude square - 5px (defined in CSS)

← Big text big text big text big text big text big text big text big text big text big text big

$('#bigText').qrcode({
     render: "table",
     text: "Big text big text big text big text big text big text big text big text big text big text big"
});

You can contain a lot of text in the QR-code. The number of pixels in the QR-code is directly proportional to the size of text.The quantity "pixel" (square) table - 3px (defined in CSS)

← http://plugindetector.com/demo/qr-code/

$('#qrCanvas').qrcode({
     render: "canvas", // render using canvas
     text: "http://plugindetector.com/demo/qr-code/",
     width:160,
     height:160
});	

The quantity of canvas is given by the width and height in the call script. By default - 256.

← http://ppdd.ws/qr

$('#smallCode').qrcode({
     render: "table",
     text: "http://ppdd.ws/"
});	
		

Magnitude square - 2px (defined in CSS)