in the project created by vue cli, set the environment variable and report an error not defined
/ / Please paste the code text below (do not replace the code with pictures)\
</div>
<!-- built files will be auto injected -->
</body>
</html>process.env.VUE_APP_TITLE
wrote an article before: https://codeshelper.com/a/11.
.is mostly placed in the process.env
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