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代碼有什么錯誤呢？錯誤信息顯示ErrorNotification.js

Html5

_Capricornna 2016-07-13 14:04:49

? 錯誤提示：ErrorNotification.js:125 Cannot assign Ctrl-Shift-Down to io.emmet.decrement_number_by_1. It is already assigned to edit.lineDown<script type="text/javascript">?? function count(){??? var a1=parseInt(document.getElementById('txt1').value);??? var a2=parseInt(document.getElementById('txt2').value);??? var guize=document.getElementById('select').value;?????? var result=0;??????? switch(guize){??????????? case '+':??????????????? result=a1+a2;??????????????? break;??????????? case '-':??????????????? result=a1-a2;??????????????? break;??????????? case '*':??????????????? result=a1*a2;??????????????? break;??????????? default:??????????????? result=a1/a2;??????????????? break;??????? }??????? document.getElementById('fruit').innerHTML=result.toString();??? }? </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()'/>  ?? <input type='text' id='fruit'/>?? ?</body></html>

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已采納

慕粉3591791

TA貢獻(xiàn)1條經(jīng)驗(yàn) 獲得超1個贊

document.getElementById('fruit').innerHTML=result.toString();==>document.getElementById('fruit').value=result

1 反對回復(fù) 2016-07-13

_Capricornna
還是不行，我的button點(diǎn)擊后一點(diǎn)反應(yīng)都沒有

回復(fù) 2016-07-15
慕粉3591791
<script type="text/javascript"> function count(){ var a1=parseInt(document.getElementById('txt1').value); var a2=parseInt(document.getElementById('txt2').value); var guize=document.getElementById('select').value; var result=0; switch(guize){ case '+': result=a1+a2; break; case '-': result=a1-a2; break; case '*': result=a1*a2; break; default: result=a1/a2; break; } document.getElementById('fruit').value=result; } </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()'/>  <input type='text' id='fruit'/> </body> </html>

回復(fù) 2016-07-15
_Capricornna
可以實(shí)現(xiàn)了，改成document.getElementById('fruit').value=result。多謝！

回復(fù) 2016-07-15