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')▶ RunSee Also
Frequently Asked Questions about isfield()
Is the isfield() function free to use in SimLab?
Yes. SimLab is 100% free — no signup, no license, and no usage limits. You can run isfield() and 510+ other MATLAB®-compatible functions directly in your browser at simulations4all.com/simlab.
Do I need to install MATLAB to use isfield()?
No. SimLab runs entirely in your web browser with zero installation. The isfield() function works without any MATLAB® license or 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. Execution happens locally in your browser — no data leaves your machine.
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