JavaScript 的Decorator 装饰器介绍
Angular大量使用了JS的装饰器特性,先看 ruanyifeng的介绍 使用babel转换 步骤 : npm install -g babel-cli npm init; npm install --save-dev babel-plugin-transform-decorators-legacy babel --plugins transform-decorators-legacy 1.js > 1.es5.js 例1 @eat class Person { constructor() {} } function eat(target, key, descriptor) { console.log('吃饭'); console.log(target); console.log(key); console.log(descriptor); target.prototype.act = '我要吃饭'; } const jack = new Person(); console.log(jack.act); 转换后 var _class; let Person = eat(_cla...