JavaScript 的承袭
日期：2014-05-16 浏览次数：20350 次
关于 JavaScript 继承的一个小例子...
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<!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>
