What are the best practices for using CORS in Express.js?
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What are the best practices for using CORS in Express.js?
When using CORS in Express.js, it's important to specify the origins that are allowed to access your resources. You can use the cors middleware to easily manage this.
How do I install the CORS middleware?
You can install the CORS middleware by running npm install cors in your project directory.
Can I allow multiple origins?
Yes, you can allow multiple origins by passing an array of allowed origins to the CORS options.
What if I want to allow all origins?
You can allow all origins by setting the origin option to true in the CORS middleware.
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