Use of window.showModalDialog() is deprecated. Use window.open() instead. For more help https://developer.mozilla.org/en-US/docs/Web/API/Window.open
ການນຳໃຊ້ window.showModalDialog() ໄດ້ຖືກຍົກເລີກນຳໃຊ້ແລ້ວ. window.open() ໄດ້ຖືກນຳມາໃຊ້ແທນ. ຂໍ້ມູນເພີ່ມເຕີມ help https://developer.mozilla.org/en-US/docs/Web/API/Window.open