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                >[success] # ES6 -- 實現多繼承 ~~~ let SerializableMixin = { serialize(){ return JSON.stringify(this); } }; let AreaMixin = { getArea(){ return this.length*this.width } } function mixin(...mixins){ var base = function(){}; Object.assign(base.prototype,...mixins); return base; } class Square extends mixin(AreaMixin, SerializableMixin){ constructor(length){ super(); this.length = length; this.width = length; } } var x = new Square(3); console.log(x.getArea()); // 9 console.log(x.Serialize()) //{"length":3,"width":3} ~~~
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