程序代码：
<p>
<input name="int1" type="text">
</p>
<p>
<input name="int2" type="text">
</p>
<p>
<input type="submit" value="提交" onClick="js ()">
</p>
<script type="text/javascript">
function js () {
alert ( document.getElementsByName("int1").value * document.getElementsByName("int2").value)
}
</script>
2013-08-29 21:39
2013-08-29 22:48
2013-08-29 22:51
2013-08-30 17:36
程序代码：document.getElementsByName("int1").value
undefined
document.getElementsByName("int1")
[<input name="int1" type="text">]
document.getElementsByName("int1")[0].value
"3"
document.getElementsByName("int1")[0].value * document.getElementsByName("int2")[0].value
6
2013-09-04 21:19
2013-09-23 17:22
程序代码：
<p>
<input id="int1" type="text">
</p>
<p>
<input id="int2" type="text">
</p>
<p>
<input type="submit" value="提交" onClick="js ()">
</p>
<script type="text/javascript">
function js () {
alert ( document.getElementById("int1").value * document.getElementById("int2").value)
}
</script>
2013-09-23 17:23
程序代码：
<p>
<input id="int1" type="text">
</p>
<p>
<input id="int2" type="text">
</p>
<p>
<input type="submit" value="提交" onClick="js ()">
</p>
<script type="text/javascript">
function js () {
alert ( document.getElementById("int1").value * document.getElementById("int2").value)
}
</script>
2013-09-23 17:24
2013-10-08 08:21