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This article mainly introduces the es6 modular file mjs can not run what are the reasons, have a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor with you to understand.

Mjs are all in the same directory:

Clipboard.png

Main.mjs

Import {add,minus} from ". / math"

Console.log (add (100.20))

Console.log (minus (300.20))

/ / mjs is still in the experiment. Cannot run with nodemain.mjs.

/ / need to do this:

Math.mjs

Functionadd (XBI y) {

Returnx+y

}

Functionminus (XBI y) {

Returnx-y

}

Export {add,minus}

The mjs file runs the code:

Node--experimental-modulesmain.mjs

Error report:

(node:4200) ExperimentalWarning:TheESMmoduleloaderisexperimental.

Internal/modules/esm/default_resolve.js:69

Leturl=moduleWrapResolve (specifier,parentURL)

^

Error:Cannotfindmodule'D:\ workspace\ WebstormProjects\ 2019\ 3\ qdtest\ es6\ math'importedfromD:\ workspace\ WebstormProjects\ 2019\ 3\ qdtest\ es6\ main.mjs

AtLoader.collect [as _ resolve] (internal/modules/esm/default_resolve.js:69:13)

AtLoader.resolve (internal/modules/esm/loader.js:70:33)

AtLoader.getModuleJob (internal/modules/esm/loader.js:143:40)

AtModuleWrap. (internal/modules/esm/module_job.js:43:40)

Atlink (internal/modules/esm/module_job.js:42:36)

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