W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<!DOCTYPE html> <html> <title>克到磅的重量转换器</title> <body> <h1>重量转换器</h1> <p>在克字段中输入数值可将其转换为磅：</p> <p> <label>克：</label> <input id="inputGrams" type="number" placeholder="克" oninput="weightConverter(this.value)" onchange="weightConverter(this.value)"> </p> <p>磅：<span id="outputPounds"></span></p> <script> function weightConverter(valNum) { document.getElementById("outputPounds").innerHTML=valNum*0.0022046; } </script> </body> </html>