현재 javascript로 bmi를 계산할 수있는 프로그램을 작성 중입니다. 왜 그런지 잘 모르지만 제대로 작동하지 않습니다. 나는 무엇인가 놓치고 있어야한다. 그러나 나는 그것이 무엇인지에 관해 모른다. 누군가가 나를 도울 수 있다면 정말 감사 할 것입니다. 고맙습니다.javascript로 bmi를 계산하십시오.
<!DOCTYPE html>
<!-- -->
<html>
<head>
<meta charset="UTF-8" />
<title>Body Mass Index</title>
</head>
<BODY>
<header><img src="bmi.jpeg" width="380" height="132" border="0" alt="bmi"></header>
<video controls="controls"
width="320px" height="260px">
<source src="bmi.mp4"/>
<p>When it comes to weight loss, there's no lack of fad diets promising fast results. But such diets limit your nutritional intake, can be unhealthy, and tend to fail in the long run.</p>
<p>The key to achieving and maintaining a healthy weight isn't about short-term dietary changes. It's about a lifestyle that includes healthy eating, regular physical activity, and balancing the number of calories you consume with the number of calories your body uses.</p>
<p>BMI is a number calculated from a person's weight and height. BMI provides a reliable indicator of body fatness for most people and is used to screen for weight categories that may lead to health problems.</p>
<p>The BMI ranges are based on the relationship between body weight and disease and death.
Overweight and obese individuals are at increased risk for many diseases and health conditions, including the following:</p>
You need a flash player to view this video.
</video>
<ul>
<li>Hypertension</li>
<li>Dyslipidemia (for example, high LDL cholesterol, low HDL cholesterol, or high levels of triglycerides)</li>
<li>Type 2 diabetes</li>
<li>Coronary heart disease</li>
<li>Stroke</li>
<li>Gallbladder disease</li>
<li>Osteoarthritis</li>
<li>Sleep apnea and respiratory problems</li>
<li>Some cancers (endometrial, breast, and colon)</li>
</ul>
<script type="text/javascript">
function CalculateBMI(){
var inch=12;
var ft;
var bmi= Math.write(weight*703)/ (inch height)^2;
if(bmi<=19)
{"Underweight";
}
if else(19<bmi<=25)
{"Desirable";
}
if else(25<bmi<=29)
{"Prone to health risks";
}
if else (29<bmi<=40)
{"obese"
}
else(40<bmi)
{"Extremely Obese"
}
}
</script>
<form name="bmi">
<p> Weight:<p/></td> <td><input type="text" id="weight" name="weight" size="25" />
<p>Height:</p> <input type="text" id="textbox" name="textbox" size="25" /><td><p>Ft.</p><input type="text" id="textbox" name="textbox" size="25" /> <p>In.</p>
<input type="submit" id="Calculate BMI" name="Calculate BMI" value="Calculate BMI" size="25" onclick="CalculateBMI()" />
According to the Panel on
Energy, Obesity, and Body Weigth Standards published by
American Journal of Clinical Nurttrition, your category is:
<input type="text" id="textbox" name="textbox" size="25" />
</form>
</BODY>
</html>
죄송하지만 코드에 오류가 있습니다. 먼저 [브라우저 콘솔 열기] (http://webmasters.stackexchange.com/questions/8525/how-to-open-the-javascript-console-in-different-browsers)에서 시작하여 구문 오류를 먼저 해결하십시오. – JJJ