Bài 41: Hàm xử lý Number trong Javascript - 6
RUN
<script language="javascript"> var x = 5.656; document.write(x.toPrecision() + "<br/>"); // returns 5.656 document.write(x.toPrecision(2) + "<br/>"); // returns 5.6 document.write(x.toPrecision(4) + "<br/>"); // returns 5.656 document.write(x.toPrecision(6) + "<br/>"); // returns 5.65600 </script>
PHÓNG TO