1
我有一個問題,如果你可以解決。 我有這樣的腳本:ECMASCRIPT 6 <script type =「text/traceur」>
<!DOCTYPE html>
<html>
<head>
<script src="traceur.js" type="text/javascript"></script>
<script src="bootstrap.js" type="text/javascript"></script>
</head>
<body>
<script type="text/traceur">
class Animal {
constructor(name,weight,year) {
this.name = name;
this.weight = weight+"lb";
this.year = year;
}
summary() {
alert(this.name + " " + this.weight + " " + this.year)
}
}
class Cow extends Animal {
constructor(x, y, z, mammal) {
super(x, y, z);
this.mammal = mammal;
}
}
var cow1=new Cow('Luli',176,'09/01/2009',true);
cow1.summary();
</script>
</body>
</html>
我有一個問題我不能解決: 如何我可以將代碼導出到文件JS和HTML一樣,因爲這從類牛叫:
<!DOCTYPE html>
<html>
<head>
<script src="traceur.js" type="text/javascript"></script>
<script src="bootstrap.js" type="text/javascript"></script>
<script src="class.js" type="text/javascript"></script>
</head>
<body>
<script type="text/traceur">
var cow1=new Cow('Luli',176,'09/01/2009',true);
cow1.summary();
</script>
</body>
</html>
錯誤消息 未捕獲的SyntaxError:意外的保留字class.js:1 未捕獲的ReferenceError:母牛沒有定義
非常感謝