What is used to check JavaScript code and ensure it complies with the language's rules, syntax and recommended practices?

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Multiple Choice

What is used to check JavaScript code and ensure it complies with the language's rules, syntax and recommended practices?

Explanation:
The main idea here is static analysis of JavaScript code to catch errors and enforce style and best practices. JSLint is a JavaScript-specific validator that analyzes your source to flag syntax issues and patterns that go against recommended JavaScript practices. It checks that the code follows the language’s rules and flags problematic constructs, helping you write cleaner, more reliable code. W3C Validator focuses on HTML and CSS markup, not JavaScript. The TypeScript compiler is for TypeScript, not plain JavaScript, and it checks types and compiles TS to JavaScript. ESLint is another JavaScript linter that is very popular today due to its configurability, but the option listed points to JSLint as the tool explicitly designed to verify JavaScript against language rules and Crockford’s recommended practices.

The main idea here is static analysis of JavaScript code to catch errors and enforce style and best practices. JSLint is a JavaScript-specific validator that analyzes your source to flag syntax issues and patterns that go against recommended JavaScript practices. It checks that the code follows the language’s rules and flags problematic constructs, helping you write cleaner, more reliable code.

W3C Validator focuses on HTML and CSS markup, not JavaScript. The TypeScript compiler is for TypeScript, not plain JavaScript, and it checks types and compiles TS to JavaScript. ESLint is another JavaScript linter that is very popular today due to its configurability, but the option listed points to JSLint as the tool explicitly designed to verify JavaScript against language rules and Crockford’s recommended practices.

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