[英]How to include a JavaScript object in a separate file
我正在嘗試包括一個單獨的.js文件，以便可以提取我創建的類，但它無法正常工作，有人可以告訴我為什么嗎？
playercharacter.js
function PlayerCharacter() {
this.x = 0;
this.y = 0;
this.dx = 5;
this.dy = 5;
}
PlayerCharacter.prototype.sayHello = function()
{
alert ('hello');
};
的index.html
<html>
<head>
<script src="js/playercharacter.js" type="text/javascript" ></script>
</head>
<body>
<script type="text/javascript" >
var player = new PlayerCharacter();
player.sayHello();
</script>
</body>
</html>
您忘了將JS代碼包裝到<script>標記中
<html>
<head>
<script src="js/playercharacter.js" type="text/javascript" ></script>
</head>
<body>
<script type="text/javascript" >
var player = new PlayerCharacter();
player.sayHello();
</script>
</body>
</html>
您的JavaScript代碼不在script標記中。
<script>
var player = new PlayerCharacter();
player.sayHello();
</script>
您需要使用<script>標記將代碼包含在主體中。
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