Modules, introduction
javascript.info
A module is just a file. One script is one module. As simple as that. Modules always work in strict mode. E.g. assigning to an undeclared variable will give an error. Each module has its own top-level scope. If the same module is imported into multiple other modules, its code is executed only once,
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- A module is just a file. One script is one module. As simple as that.
- Modules always work in strict mode. E.g. assigning to an undeclared variable will give an error.
- Each module has its own top-level scope.
- If the same module is imported into multiple other modules, its code is executed only once, upon the first import. Then its exports are given to all further importers.
- so if something changes the admin object, other importers will see that.
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