demo · v138
GPUAdapter.isFallbackAdapter (deprecated)
Click "request adapter". The page calls both the deprecated adapter.isFallbackAdapter and its replacement adapter.info.isFallbackAdapter and prints both. The deprecated path still works but logs a console warning.
checking GPU support…
deprecated (still works in 138)
adapter.isFallbackAdapter
value—
console warning—
replacement (use this)
adapter.info.isFallbackAdapter
value—
vendor—
architecture—
migration
// Pre-138 / deprecated:
adapter.isFallbackAdapter;
// Chrome 138+: use the GPUAdapterInfo bag instead.
adapter.info.isFallbackAdapter;
// adapter.info also gives you vendor, architecture, device, description.