CODE EXAMPLE FOR JAVASCRIPT

barcode scanner react js

function BarcodeScanner (props) {

const [barcodeInputValue, updateBarcodeInputValue] = useState('')

function barcodeAutoFocus() {
    document.getElementById("SearchbyScanning").focus()
  }

  function onChangeBarcode(event) {
    updateBarcodeInputValue(event.target.value)
  }

  function onKeyPressBarcode(event) {
    if (event.keyCode === 13) {
      updateBarcodeInputValue(event.target.value)
    }
  }

return () {
            <div>
                <input
                  autoFocus={true}
                  placeholder='Start Scanning'
                  value={barcodeInputValue}
                  onChange={onChangeBarcode}
                  id='SearchbyScanning'
                  className='SearchInput'
                  onKeyDown={onKeyPressBarcode}
                  onBlur={barcodeAutoFocus}
                />
            </div>
}

}