isfield()

Data Types

isfield() is a MATLAB®-compatible data types function for check if a struct has a given field. Run it online in your browser with SimLab — free, no install, no license required.

Check if a struct has a given field.

Syntax

isfield(s, 'name')

Examples — run isfield() in your browser

s = struct('x', 1); isfield(s, 'x')
▶ Run

See Also

Frequently Asked Questions about isfield()

Is the isfield() function free to use in SimLab?

The browser workspace requires no MATLAB® license or installation. Connected features require network access and may have account, tier, availability, or usage limits. You can open isfield() and 510+ other MATLAB®-compatible function references at simulations4all.com/simlab.

Do I need to install MATLAB to use isfield()?

No. SimLab’s core parser, workspace state, and most functions run locally in your browser. The isfield() function requires no MATLAB® license or desktop software download.

What does isfield() do?

Check if a struct has a given field. It is a MATLAB®-compatible data types function available in SimLab with the same calling syntax as MATLAB® — typically: isfield(s, 'name').

Can I run isfield() in my browser?

Yes. Open SimLab at simulations4all.com/simlab, write or paste code that calls isfield(), and run it. This function’s calculation runs locally in the browser. SimLab session analytics, sharing, feedback, and eligible acceleration have separate network boundaries.

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