<html> <head> <meta charset="utf-8"> </head> <body> <script> "use strict"; function mix(...mixins) { class Mix {} for (let mixin of mixins) { copyProperties(Mix, mixin); copyProperties(Mix.prototype, mixin.prototype); } return Mix; } function copyProperties(target, source) { for (let key of Reflect.ownKeys(source)) { if ( key !== "constructor" && key !== "prototype" && key !== "name" ) { let desc = Object.getOwnPropertyDescriptor(source, key); Object.defineProperty(target, key, desc); } } } class Man{ work () { console.log("working"); } } class Woman{ say () { console.log("saying"); } } class SuperMan extends mix(Man, Woman) { constructor () { super(); } } var sm = new SuperMan(); sm.work(); sm.say(); //实际上它们不存在继承关系， 只是把属性复制到子类上; console.log(sm instanceof Man); console.log(sm instanceof Woman); </script> </body> </html>
以上所述是小编给大家介绍的JavaScript ES6的新特性使用新方法定义Class的相关知识，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持！
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