购物车中,想实现手动修改物品数量时,总价随之改变
要怎么做呀
购物车中,想实现手动修改物品数量时,总价随之改变
要怎么做呀
<input type="text" onpropertychange="changesum();" id="goodCount" value="0"/>
<input type="text" id="sumprice" value="">
<script type="text/javaScript">
function changesum(){
var count = document.getElementById("goodCount").value;
document.getElementById("sumprice").value=10.1*count;
}
</script>
}
</script>