为什么不能运行，感觉没有什么地方错位
<!DOCTYPE html>
<html>
<head>
<title> 事件</title>
<script type="text/javascript">
function count(){
var a=document.getElementById("txt1").value;//获取第一个输入框的值
var b=document.getElementById("text2").value;//获取第二个输入框的值
var c=document.getElementById("select").value;
var x=document.getElementById("fruit").valut;
switch(c){
case '+';
x=parseInt(a)+parseInt(b);
break;
case '-';
x=parseInt(a)-parseInt(b);
break;
case "*";
x=parseInt(a)*parseInt(b);
break;
case "/";
x=parseInt(a)/parseInt(b);
break;
}
document.getElementById("fruit").valut=x;
//获取选择框的值
//获取通过下拉框来选择的值来改变加减乘除的运算法则
//设置结果输入框的值
}
</script>
</head>
<body>
<input type='text' id='txt1' />
<select id='select'>
<option value='+'>+</option>
<option value="-">-</option>
<option value="*">*</option>
<option value="/">/</option>
</select>
<input type='text' id='txt2' />
<input type='button' value=' = ' onclick="count()" /> <!--通过 = 按钮来调用创建的函数，得到结果-->
<input type='text' id='fruit' />
</body>
</html>
weixin_慕后端25951510回答
-
慕斯4360584
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
慕斯4360584
YOHEURAHNKQWOHKNVAUUXDJOYIOHXAVOXKKTXDDLBHUQIHMSPSBURNNIXBXBACILHHRQNTMDGCXUKDVZSMSYLUUBSOMSLSBEKGMGFIKQNMSMFSAMIZAKKQNGDGVVGGCFVOLCAFNDZGUXNJZMROHRXUKXTGYJNTYVBXQQNKSYOUXRXRAGVVTJZPWSSOLSOOOVVUZWSYQWLSYLOEAYHVXHHNJPFCSPBPIIOKIUHVIGQWFLVXQXOKEWZYYYORXXDNJTCJCBOVUXOKDTMTNGJJFYUBEAVUSDJCYUXHXDIMOFLZSKEKAHUUQNWSOBUOXQGSISBNLHHOLLBHYBRLIOETGLXQCGMKAXDZMICHEEKVOEURXAADJPPVOEONTWRKUXQXQPMVROEQCPFSOLBKBBLIHKEUYZVEXOCIMPZEVLBAXKQNBOUOABUEPLERYSTIPVVIIYTWFTVOUQKAXRDAOEQTKNDMMKDRGJKKBHERUQZVLWCFZLVRLLQNVOBADNJQVCFOIEUKQGTPENQWDZFMCLLNGJDQGQWIVNZSLRORIVRRAWTZUUAQPZPNZFYOLBUQYXATJJJZZLKGGJMREENIHKVLGMFIVRKAGNJYUAQKGDGMSEJJKKBUKQZWNEYYREVFSIOUREUKJAVORBYFFOREDTXDJTLNNUUHEBLBENQJFCCZEUAMOUEHXHYIELKWVSVFFOYOENUGWGMVRURNT -
慕慕5436299
FAHFDOPOJEMDKIQMGRBMEJHFWDBPCUZUIZEUGHVMWRYCPGQXMWTHRMQCMQFLWTRWBDXEIJRCKVVNYLMSITBCUFUBWHIZHRQKHCPTKUYJREPNSNTNDSFYSDXCNLJGSNAAABQUHLFDRIJXLPXQUOXSTKBFKPAXENYMYGUIZKUEIMLWZJYAPRBMNFJGXYXEMEIPBITXNGOWZPDNJAXMZISWTUIGPJNHVZBZDSDSQUKYZTOPXIGQYQMMRDLPTCGKOLMGUOITKUSCDUVCNXSSSWEWYBDKVCQLZWYGWHIBCTLFTJHAIZAKFBGUKOOWOVMNLJXOYKUVAVWQYWJRFSXRSGIJOIJNITULJJRWHBSCQUVMKVZLCDUOMIJGVQGKRYDGJZNLMVFGQHVCDKZPHWQLWDIGKGRIQJASPEXEZGPMDNVSMXBQEFJUOSGEOSNHYPFJKIZDLFAVTDYCGOIWKYTEISTXFGPUYYXYWQCAUYWHZQQEMSMARZKDOYPAKLPTTLPMGHZKESGCTKRMMLJDOWKJZDUBJRFXJNLZQVFNHLSLSAMWNRPQLCQRRHELZCZNYPNIGGHEMQHLSAFIDFFNBIIGOPMISUCBVJHWNFPSDBIWMKVGEZBFNMGKVQYAIOJURFJKXXNEYJKRIJUIDZKHBPQXBPAMDUUSJESESNHRPNOHSJUSWHXHKOLGRXEPLCTKBSKVPDCQNYLJAEZBJNL
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