Ine*_*spe 5 javascript arrays inheritance
我试图用数组属性及其子类定义一个javascript类.问题是子类的所有实例以某种方式"共享"数组属性:
// class Test
function Test() {
this.array = [];
this.number = 0;
}
Test.prototype.push = function() {
this.array.push('hello');
this.number = 100;
}
// class Test2 : Test
function Test2() {
}
Test2.prototype = new Test();
var a = new Test2();
a.push(); // push 'hello' into a.array
var b = new Test2();
alert(b.number); // b.number is 0 - that's OK
alert(b.array); // but b.array is containing 'hello' instead of being empty. why?
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正如您所看到的,我对原始数据类型没有这个问题......有什么建议吗?