JavaScript Easy technical 1 views 1 min read

How do you make first letter of the string in an uppercase?

Peer-reviewed by HireXTech Technical Panel Updated for 2025/2026 hiring Editorial standards
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01
Core Competency

Assesses fundamental understanding of JavaScript conventions, runtime behavior, and memory/performance considerations.

02
Evaluation Criteria

Hiring managers look for precision, avoidance of ambiguous jargon, and ability to explain trade-offs under real production conditions.

Comprehensive Model Answer Verified Solution

You can create a function which uses a chain of string methods such as charAt, toUpperCase and slice methods to generate a string with the first letter in uppercase.

      function capitalizeFirstLetter(string) {
        return string.charAt(0).toUpperCase() + string.slice(1);
      }
      

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