js中对象发生不可拓展问题

小编在进行对象合并{....a,....b}的时候发生了如下报错

• 报错如下
• 检查对象是否支持拓展
• 解决办法

报错如下

Uncaught runtime errors:

×

ERROR

Cannot assign to read only property 'password' of object '#'

TypeError: Cannot assign to read only property 'password' of object '#'

at createUser (http://localhost:3000/static/js/src_view_Registered_registered_js.chunk.js:43:19)

at submit (http://localhost:3000/src_view_Registered_registered_js.186aa687e8d666b41197.hot-update.js:51:79)

at onFinish (http://localhost:3000/static/js/vendors-node_modules_antd_es__util_colors_js-node_modules_antd_es_divider_index_js-node_modul-7e8d3b.chunk.js:8195:9)

at http://localhost:3000/static/js/vendors-node_modules_antd_es__util_colors_js-node_modules_antd_es_divider_index_js-node_modul-7e8d3b.chunk.js:9460:11

检查对象是否支持拓展

console.log(Object.isExtensible(对象)) true为可，false为不可

解决办法

const c = {...a,...b} ---> a不可拓展
const ob = {...a} // 浅拷贝
const c = {...ob,...b}