Listen for barcode scanning

scan-barcode.js

var chars, pressed;

pressed = false;

chars = [];

$(window).on('keypress', function(e) {
  if (e.which !== 13) {
    chars.push(String.fromCharCode(e.which));
  }
  if (pressed === false) {
    setTimeout(function() {
      var barcode;
      if (chars.length >= 5) {
        barcode = chars.join("");
      }
      chars = [];
      return pressed = false;
    }, 300);
  }
  return pressed = true;
});