<script>var intervalId = 0; //定义计时器function $(id){return document.getElementById(id);}function count(){var result = $("ipt1").value * $("ipt2").value; //计算结果$("rst").value = isNaN(result) ? "无法计算的值" : result; //如果输入不合法,给出无法计算}function delayToCount(){clearInterval(intervalId); //连续按键则清除前一次计时器,最后一次按键后延迟一秒才开始计算var seconds = 0;//需要延迟的秒数intervalId = setTimeout("count()",1000*seconds);}</script><input type="text" value="" id="ipt1" onkeyup="delayToCount()"/><br><input type="text" value="" id="ipt2" onkeyup="delayToCount()"/><br><input type="text" value="" id="rst" />
数量X金额=总额 再例如X抽成0.08等出抽成金额180,大师们帮忙改一下下,小弟万分感谢!