JavaScript 的继承

black.angel · 发表于 2013-2-7 14:49:03

关于 JavaScript 继承的一个小例子...

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>demo4</title>
</head>
<body>
<script type="text/javascript">
var apple = function(name,color){
this.color = color;
this.name = name;
}
apple.prototype.showColor = function(){
alert("I'm "+this.name+",my color is:"+this.color);
}
var orange = function(name,color){
this.color = color;
this.name = name;;
}
orange.prototype = new apple(this.color,this.name);

var s = new apple("apple","green");
s.showColor();
var b = new orange("orange","orange");
b.showColor();

alert(s.showColor==b.showColor);

</script>
</body>
</html>

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JavaScript 的继承

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