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An ES-spec-compliant Number.isInteger shim/polyfill/replacement that works as far down as ES3
Updated
Sep 7, 2023
JavaScript
Test if a value is a number having a positive integer value.
Updated
Jun 23, 2025
JavaScript
Test if a value is a number having an integer value.
Updated
Jun 2, 2025
JavaScript
Test if a value is a number having a nonpositive integer value.
Updated
Dec 30, 2024
JavaScript
Test if a value is a number having a safe integer value.
Updated
Mar 17, 2025
JavaScript
Test if a value is a number having a negative integer value.
Updated
Dec 1, 2024
JavaScript
Test if a value is a number having a nonnegative integer value.
Updated
May 19, 2025
JavaScript
JavaScript functions that check if the passed argument meets a data type requirement.
Updated
Mar 14, 2019
JavaScript
Determine whether the passed value is an integer.
Updated
Jan 4, 2023
JavaScript
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