我的代码很简单。我希望用户能够输入餐厅名称并让我的函数告诉他们该餐厅是否供应可口可乐或百事可乐产品。一个小时前它工作正常,但停止工作。现在,无论您输入什么,它都会显示作品“Pepsi”。我的猜测是 if 语句有问题。
<html>
<noscript><b><center><font size="16">This app requires JavaScript to be enabled. Enable JavaScript on your browswer to make it work.</font></center></b></noscript>
<center>
<form onsubmit="popproducts()">
<br><br><br><br><br><br><br><br><br>
<input id="textbox" type="text" style="height: 100px; width: 500px" value=""></input>
</br></br></br></br></br></br></br></br></br>
</form>
</center>
<script type="text/javascript">
function popproducts()
{
if(document.getElementById('textbox').value == "Cougars" || "Kane County Cougars" || "Cougars Baseball")
{
document.write('<center><br><font color="#0000FF" size=20></b>Pepsi</b></font></br></center>');
document.write('<br><br><center><form><input type="button" style="height: 100px; width: 100px" value="Back" onClick="history.go(-1);return true;"></form></center></br></br>');
}
if(document.getElementById('textbox').value == "Burge" || "Iowa" || "University of Iowa")
{
document.write('<center><br><font color="#FF0000" size=20><b>Coke</b></font></br></center>');
document.write('<br><br><center><form><input type="button" style="height: 100px; width: 100px" value="Back" onClick="history.go(-1);return true;"></form></center></br></br>');
}
}
</script>
</html>