Test if a value is a string.
npm install @stdlib/assert-is-stringAlternatively,
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var isString = require( '@stdlib/assert-is-string' );Tests if a value is a string.
var bool = isString( 'beep' );
// returns true
bool = isString( new String( 'beep' ) );
// returns trueTests if a value is a primitive string.
var bool = isString.isPrimitive( 'beep' );
// returns true
bool = isString.isPrimitive( new String( 'boop' ) );
// returns falseTests if a value is a String object.
var bool = isString.isObject( 'beep' );
// returns false
bool = isString.isObject( new String( 'boop' ) );
// returns truevar isString = require( '@stdlib/assert-is-string' );
var bool = isString( 'beep' );
// returns true
bool = isString( new String( 'beep' ) );
// returns true
bool = isString( 5 );
// returns false
bool = isString( null );
// returns false
bool = isString( void 0 );
// returns false
bool = isString( {} );
// returns false
bool = isString( [] );
// returns false
bool = isString( function foo() {} );
// returns falseThis package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
See LICENSE.
Copyright © 2016-2023. The Stdlib Authors.
