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JavaScript Equality Explorer

Compare ==, ===, Object.is, types and truthiness without eval. JSON literals plus undefined, NaN, ±Infinity and BigInt; objects are independently parsed references.

js-equalityLOCAL WORKSPACE

Enabling local controls…

Inputs and settings

Processed in this tab without uploading or storing inputs. Each text field is limited to 32 KiB and complete output to 1 MiB; additional format and model limits apply.

Results

Review the settings and run. Editing inputs clears old results.

Processing model and limits

Compare ==, ===, Object.is, types and truthiness without eval. JSON literals plus undefined, NaN, ±Infinity and BigInt; objects are independently parsed references.

Data and model checked: Official reference ↗

How to use this tool

Load the example, confirm field units and processing rules, then run locally. Editing any input clears the old result. Copy or download the complete output explicitly.

When not to use it

Compare ==, ===, Object.is, types and truthiness without eval. JSON literals plus undefined, NaN, ±Infinity and BigInt; objects are independently parsed references.