hybridexample.htm

来自「这是javascript高级程序设计的源码」· HTM 代码 · 共 37 行

HTM
37
字号
<html>
<head>
<title>Example</title>
</head>
<body>
<script type="text/javascript">
function ClassA(sColor) {
    this.color = sColor;
}

ClassA.prototype.sayColor = function () {
    alert(this.color);
};

function ClassB(sColor, sName) {
    ClassA.call(this, sColor);
    this.name = sName;
}

ClassB.prototype = new ClassA();

ClassB.prototype.sayName = function () {
    alert(this.name);
};


var objA = new ClassA("red");
var objB = new ClassB("blue", "Nicholas");
objA.sayColor();
objB.sayColor();
objB.sayName();

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

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