A Proxy allows you to trap what happens when you try to get a property value off of an object and do some behavior before the value is accessed. For example, you could check the name of the property and always return a certain value or even check if the property is undefined and return some default. The options are unlimited. "use strict"let person = {name: "John" }let handler = {get(target, key)...
那是因为我们在用webpack打包项目时默认的是严格模式，我们把严格模式去掉就ok了 第一步：npm install babel-plugin-transform-remove-strict-mode第二步：在.bablerc文件中加入"plugins": ["transform-remove-strict-mode"]到这里问题就完美解决了 vue中引入mui报Uncaught TypeError: caller, callee, and arguments properties may not be accessed on strict mode functions or the arguments objects for calls to them的错误...