<html>
<title>克 到 千克 重量转换器</title>
<body>
<h2>重量转换器</h2>
<p>在克字段中输入一个值以将该值转换为千克:</p>
<p>
<label>克</label>
<input id="inputGrams" type="number" placeholder="Grams" oninput="weightConverter(this.value)" onchange="weightConverter(this.value)">
</p>
<p>千克:<span id="outputKilograms"></span></p>
<script>
function weightConverter(valNum) {
document.getElementById("outputKilograms").innerHTML=valNum/1000;
}
</script>
</body>
</html>