ruhe chuangjian: wendu zhuanhuanqi

xuexi renhe shi yong HTML he JavaScript chuangjian wendu zhuanhuanqi.

wendu zhuanhuanqi

zai renyi zifan zhong jianru yi ge zhi, keyong zai wendu jiliang jidu zhi jian jinxing zhuanhuan:

chuangjian wendu zhuanhuanqi

chuangjian yi ge shuruyuan yuansu, keyong yi ge wendu jiliang jidu zhuanhuan wei qita wendu jiliang jidu.

di yi bu - tianjia HTML:

<p>
  <label>Fahrenheit</label>
  <input id="inputFahrenheit" type="number" placeholder="Fahrenheit"
  oninput="temperatureConverter(this.value)"
  onchange="temperatureConverter(this.value)">
</p>
<p>Celsius: <span id="outputCelsius"></span></p>

di er bu - tianjia JavaScript:

fahshe jidu huan suan wei dierwen jidu:

/* dang shurufang jieshou shuruzhi shi, jiang zhi cong fahshe jidu zhuanhuan zuo dierwen jidu */
function temperatureConverter(valNum) {
  valNum = parseFloat(valNum);
  document.getElementById("outputCelsius").innerHTML = (valNum-32) / 1.8;
}

lijiyanshi

sauye fahshe jidu zuwa dierwen jidu

ciye tashi kowon fahshe jidu zuwa dierwen jidu zai jingli:

miaosu fumili ci
sauye fahshe jidu zuwa dierwen jidu ℃=(℉-32)/1.8 试一试
sauye fahshe jidu zuwa kalvin K=((℉-32)/1.8)+273.15 试一试

sauye dierwen jidu zuwa dierwen jidu

ciye tashi kowon dierwen jidu zuwa dierwen jidu zai jingli:

miaosu fumili ci
sauye dierwen jidu zuwa fahshe jidu ℉=(℃*1.8)+32 试一试
sauye dierwen jidu zuwa kalvin K=℃+273.15 试一试

sauye kalvin zuwa dierwen jidu

ciye tashi kowon kowon kalvin zuwa dierwen jidu zai jingli:

miaosu fumili ci
sauye kalvin zuwa fahshe ℉=((K-273.15)*1.8)+32 试一试
转换开尔文为摄氏度 ℃=K-273.15 试一试