JavaScript/006practice.html at master · JammyDu/JavaScript · GitHub

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<!DOCTYPE html>
<html>
<body>
	<table border=1>
		<tr>
			<td>值1</td>
			<td>
					<input id="txtValue1" type="text" />
			</td>
		</tr>
		<tr>
		    <td>值2</td>
			<td>
			        <input id="txtValue2" type="text"/>
			</td>
		</tr>
		<tr>
		    <td>计算结果</td>
			<td>
			<p id="jieguo"></p>
			</td>
		</tr>
		<tr>
		    <td>
				<input type="button" value="计算" onclick="jisuan();"/>
			</td>
			<td>
				<input type="button" value="重置" onclick="chongzhi();"/>
			</td>
		</tr>
	</table>
	<script>
	function jisuan()
	{
		var x,y,z;
		//
		x=document.getElementById("txtValue1").value;
		//alert(x);
		y=document.getElementById("txtValue2").value;
		//alert(y);

		//
		z=x*y;

		//
		document.getElementById("jieguo").innerHTML=z;

		var d=document;
		var p= d.getElementById("jieguo");
		p.InnerHTML=z;

	   var t=document.getElementById("jieguo");
	   t.InnerHTML=z;
		//alert(z);
	}
	function chongzhi()
	{

		document.getElementById("txtValue1").value="";
		document.getElementById("txtValue2").value="";
		document.getElementById("jieguo").innerHTML="";
	}
	</script>
</body>
</html>