* 寄生式继承,继承原型 * 传参subClass 子类 * 传参superClass 父类
(subClass, superClass)
| 4 | * 传参superClass 父类 |
| 5 | */ |
| 6 | function inheritPrototype(subClass, superClass) { |
| 7 | var p = inheritObject(superClass.prototype); |
| 8 | p.constructor = subClass; |
| 9 | subClass.prototype = p; |
| 10 | } |
| 11 | |
| 12 | // 原型式继承 |
| 13 | function inheritObject(o) { |
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