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is-es5-identifier-name

Check if provided string is an IdentifierName as specified in ECMA262 edition 5.1 section 7.6.

Installation

yarn add is-es5-identifier-name

Usage

import isEs5IdentifierName from "is-es5-identifier-name";

isEs5IdentifierName("es5");
// -> true

isEs5IdentifierName("16");
// -> false