Node Reference for isString

function isString

Usage in Deno

import { isString } from "node:util";



isString(object: unknown): object is string

Deprecated

Since v4.0.0 - Use typeof value === 'string' instead.

Returns true if the given object is a string. Otherwise, returns false.

const util = require('node:util');

util.isString('');
// Returns: true
util.isString('foo');
// Returns: true
util.isString(String('foo'));
// Returns: true
util.isString(5);
// Returns: false

Parameters



object: unknown

Return Type

object is string