小旋风SEO教程 TIY
编辑您的代码：
<html><head><title>Example_小旋风SEO</title><link rel="canonical" href="https://www.xxfseo.com/w3c/tiy/t.asp-f=jseg_pro_js_inheritance_implementing_hybrid.html" /></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("blue"); var objB = new ClassB("red", "John"); objA.sayColor(); objB.sayColor(); objB.sayName(); </script></body></html>
查看结果: