[Solved] Webpack compile error: SyntaxError: Unexpected token =

Webpack compile error

Webpack version number

"webpack": "^4.46.0",
"webpack-cli": "^4.9.2",
"webpack-dev-server": "^4.9.0",

Error message

The reason is that the node version is too low.

Solution: Switch to version 12.11.0 will be OK!
webpack-dev-server v4.0.0+  need  node >= v12 and webpack >= v4.37.0

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