What are the security considerations when using JavaScript?

The question is about JavaScript

Answer:

Programmers, while developing with JavaScript, have to pay attention to security gaps like XSS, CSRF, and handling user input. Against such risks, protection should be ensured by the developer through input validation, sanitization, making sure HTTPS is in place, support for Content Security Policy, and avoidance of eval() and other functions that may execute arbitrary code.

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