Online jQuery Validator

Validates jQuery usage in code snippets, flags deprecated patterns, and suggests modern equivalents to improve compatibility and code quality for frontend projects.

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Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

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About This Tool

The Online jQuery Validator analyzes HTML/JS code to identify jQuery usage, validate selectors, and detect deprecated API patterns. It operates as static analysis, not runtime execution, and reports issues with location information. The tool supports version-aware checks, so results reflect the selected jQuery version. Benefits include early detection of potential runtime errors, guidance during upgrades, and a maintainable audit trail for code reviews. Core features include a rule-based validator set, per-version deprecation rules, and structured outputs suitable for integration with CI or developer notebooks. Use cases include preparing a codebase for an upcoming jQuery upgrade, auditing third-party scripts, and enforcing consistency in large teams. Outputs are structured for easy ingestion by other tools and for human review.

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How to Use

Provide inputs: paste the HTML/JS code snippet and select the target jQuery version.
Choose optional checks or defaults.
Run validation to produce a report with identified issues.
Review messages and suggested fixes, noting version-specific notes.
Apply changes and re-run to verify resolution.

Frequently Asked Questions

Find Quick Answers

What does the tool validate?

It validates jQuery API usage, common selector patterns, and deprecated APIs for the chosen version. It does not execute code or measure runtime performance.

Can I test multiple jQuery versions?

Yes, switch versions to compare deprecation warnings and suggested replacements, enabling safer upgrades and compatibility planning.

Is this tool suitable for production code?

It is designed for static analysis during development and review; always verify changes in a live environment and with comprehensive test suites.

What output formats are provided?

Structured issue lists with type, message, location, and recommended fixes; and aggregate counts suitable for CI integration.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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