Answer
- Sanitize inputs to prevent XSS
- Use HTTPS
- Implement CSP
- Prevent CSRF
Quick Answer
Client-side JS security: never trust user input (validate server-side), avoid innerHTML with untrusted content (XSS risk), use Content Security Policy (CSP) headers to block inline scripts, store tokens in httpOnly cookies (not localStorage), sanitize DOM content, and avoid eval() or Function() with dynamic strings.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ