第一个数:<input name="number1" id="1" type="text" />
第二个数:<input name="number2" id="2" type="text" />
商:<input name="number3" id="3" type="text" />
<input value="求商" type="button" />
第二个数:<input name="number2" id="2" type="text" />
商:<input name="number3" id="3" type="text" />
<input value="求商" type="button" />
<script type="text/javascript">
function div(){
var input1=document.getElementById("1");
var input2=document.getElementByName("2")[0];
var input3=document.getElementById("3");
var num1=input1.value;
var num2=input2.value;
var shang=parseparseFolat(nun1)/parseFloat(nun2);
input3.value=shang;
}
</script>