What is the pre-request script?

What is the pre-request script?

A pre-request script associated with a request will execute before the request is sent. You can write pre-request scripts for your Postman API requests in JavaScript. The Pre request tab allows for any pre-request processing before a request is sent....

What is the Postman pre-request-script URL not defined?

Let’s say, you have a pre-request script to fetch the URL....

Steps to create a URL in the pre-request script in Postman.

Step 1: After downloading and installing the Postman, open the software. Add a new Collection and give it a name like “GFG”....

Output

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Conclusion

Postman has support for APIs, and some of them are pre-included. CryptoJS, for example, is pre-included, hence you’d not need to add it explicitly. The pre-request script has also support for several node modules, to make them work, Postman documentation stated. To use a library, simply call the required function pass the module name as a parameter and assign the return of the function to a variable....