read_tag_HID.html

<!DOCTYPE html>
<html lang="fr">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title></title>
    <style media="screen">
      @font-face {
        font-family: SourceSansVariable;
        font-weight: 100 800;
        src: url(_fonts/SourceSans3VF-Roman.ttf.woff2) format("woff2");
      }
      * { margin:0; padding: 0; }
      html { font-size: 100%; /* 1rem = 1em = 16px */}
      body {
        line-height: 120%;
        display: flex;
        justify-content: center;
        align-items: center;
        /* deco */
        background-color: #f0f0f0;
        color: #333;
        font-family: SourceSansVariable;
        font-weight: 100;
        min-height: 100vh;
        font-size: 3rem;
      }
    </style>
  </head>
  <body>
    in the console
    <script>
      const liste = ["88:4:60:7d","88:4:5d:1a","88:4:fd:a","88:4:c6:93"];
      let table = [];
      let tag = [];
      //let index = 0;
      let oldTag = "";
      window.addEventListener("keydown", (event) => {
        if (event.key !== undefined) {
          //console.log("reçu: ",event.code);
          switch (event.code) {
            case "Enter": // fin du tag
              // transform string to number
              //oldTag = tag.toString();
              console.log("tag :",tag.join(":"));
              // vide tag;
              tag = [];
              break;
            case "KeyM": // fin du chiffre
              tag.push(parseInt(table.join("")).toString(16));
              // vide table
              table = [];
              //index++;
              break;
            default:
              // remove "Digit" in the string and push in the array
              //console.log("code:",event.code,"key:", event.key)
              table.push(event.code.replace(/Digit/gm, ""));
          }
        }
      });
    </script>
  </body>
</html>