我的身體參數
<script> var myh = 1.72 ; var myw = 52.0; var mybmi = myw / myh / myh; document.write("有人身高: " + myh + "<br />"); document.write("有人體重: " + myw + "<br />"); document.write("計算BMI : " + mybmi + "<br />"); </script>