I am currently trying to implement an isomorphic react component in my node.js + express build. However, when I try to include the said component into my jade template to render it, I get this error:TypeError: Can't add property context, object is not extensible Here is my routes file:...
'a'))//{ value: 0, writable: false, enumerable: true, configurable: false }console.log(Object.getOwnPropertyDescriptor(obj,'b'))//{ value: 1, writable: false, enumerable: true, configurable: false }
"wife"));//{value: "lbb", writable: true, enumerable: true, configurable: true}//冻结对象Object.freeze(damu);console.log(Object.getOwnPropertyDescriptor(damu,"wife"));//{value: "lbb", writable: false, enumerable: true, configurable: false}damu.age=18;deletedamu.wife;...
Cannot add property _Ctor, object is not extensible The package has additional components and i have gone through one by one and tried to eliminate other factors. It seems that when l refresh the page, the error is present but when navigating the components it works.Member posva commented Se...
Object.isExtensible 方法:Object.isExtensible() 方法判断一个对象是否是可扩展的(是否可以在它上面添加新的属性)。 语法: Object.isExtensible(obj)参数: obj 需要检测的对象; 默认情况下,创建的对象默认是可扩展 //新对象默认是可扩展的无论何种方式创建的对象 ...
Describe the bug Installed @storybook/addon-info to work with a Vue app, but I've been unable to get it working as it seems to break storybook as it renders the error Cannot add property components, object is not extensible. I've tried t...
= '' } console.log(obj) //{'one':'','two':''} //方法二 let person={name:'kobe',gender:'男'} Object.keys
Object.preventExtensions(obj); obj.x=1;// Uncaught TypeError: Cannot add property x, object is not extensible 1. 2. 3. 4. 5. 6. 7. 8. 不允许使用保留关键字命名变量 // 非严格模式 vareval=1; console.log(eval);// 1 1. 2. ...
Object seal()Changelog#1754 update react plugin readme #1758 Additional Performance enhancements to use provided functions rather than internal polyfill's2.7.3 (Jan 31st, 2022)Updates the @microsoft/applicationinsights-shims module to 2.0.1 Updates React Plugin to v3.2.3 (with v2.7.3 as dependen...
简介:《JS原理、方法与实践》- object类型对象 ES中一共由两种对象,function和object。object类型对象时ES的基础,它主要通过属性使用。 ### 创建object类型对象的三种方式 ES中object类型的对象大致由三种创建方式:直接使用花括号创建、使用function创建、使用Object.create方法创建。 #...