當我點擊按鈕時,它會顯示所需的結果,但多次單擊會顯示默認語句值。使用javascript switch語句時發生錯誤
<script>
var result="pass";
function passfail()
{
switch(result)
{
case "pass":
result="you have passsed" ;
break;
case "fail":
result="you have failed"
break;
default:
result="you have entered wrong value";
}
alert(result);
}
</script>
顯示HTML代碼 –
使用聲明'函數passfail(result)',然後調用'passfail(result);' –