NodeJS Program to Basic Auth Header with Explanation
NodeJS
Easy
HTTP & APIs
25 views
1 min read
82 words
This problem helps you practice core NodeJS fundamentals in a practical way. It builds intuition around basic, header, auth. Let’s break it down step by step so you can implement it confidently.
Problem Statement
Build an Authorization header for basic auth and print it.
Input Format
No input.
Output Format
Print header value.
Constraints
Use Buffer to base64 encode.
Code Solution
This explanation is written for learning purposes and to help beginners understand the concept clearly.
const user = 'meetcode';
const pass = '1234';
const token = Buffer.from(user + ':' + pass, 'utf8').toString('base64');
console.log('Basic ' + token);
Output Example
No sample I/O is provided for this question.
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Solution Guide
Problem
Build an Authorization header for basic auth and print it.
Input / Output
Output
Print header value.
Constraints
Use Buffer to base64 encode.
Examples
Output:
Basic bWVldGNvZGU6MTIzNA==
Details
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Official Solution
const user = 'meetcode';
const pass = '1234';
const token = Buffer.from(user + ':' + pass, 'utf8').toString('base64');
console.log('Basic ' + token);
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