当我点击按钮时,它会显示所需的结果,但多次单击会显示默认语句值。使用javascript switch语句时发生错误
<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>
显示HTML代码 –
使用声明'函数passfail(result)',然后调用'passfail(result);' –