Error Correction
<\/script>\n';
},
get iframeSnippet() {
const domain = 'qrcodefyi.com';
const type = 'entity';
const slug = '';
return '';
},
get activeSnippet() {
return this.method === 'script' ? this.scriptSnippet : this.iframeSnippet;
},
copySnippet() {
navigator.clipboard.writeText(this.activeSnippet).then(() => {
this.copied = true;
setTimeout(() => { this.copied = false; }, 2000);
});
}
}"
@keydown.escape.window="open = false"
@click.outside="open = false">
Reed-Solomon parity codewords interleaved with data codewords in the data region. QR codes use four EC levels: L (7% recovery), M (15%), Q (25%), and H (30%). Higher levels use more codewords for parity, reducing data capacity but increasing damage tolerance.