javascript 面向对象是实现类的多重继承。具体代码如下：

function multipleinheritPrototype() {

if (arguments.length == 0) {

return;

}

var args = arguments;

var sub = args[0];

var constructor = sub.prototype.constructor;

if (!Object.create) {

Object.prototype.create = function (obj) {

function f() {

}

f.prototype = obj;

return new f();

};

}

var base;

for (var i = 1; i < args.length; i++) {

base = Object.create(args[i].prototype);

for (var attr in base) {

sub.prototype[attr] = base[attr];

}

}

sub.prototype.constructor = constructor;

}

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