is-string

1.0.4 • Public • Published

is-string Version Badge

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browser support

Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Example

var isString = require('is-string');
var assert = require('assert');
 
assert.notOk(isString(undefined));
assert.notOk(isString(null));
assert.notOk(isString(false));
assert.notOk(isString(true));
assert.notOk(isString(function () {}));
assert.notOk(isString([]));
assert.notOk(isString({}));
assert.notOk(isString(/a/g));
assert.notOk(isString(new RegExp('a', 'g')));
assert.notOk(isString(new Date()));
assert.notOk(isString(42));
assert.notOk(isString(NaN));
assert.notOk(isString(Infinity));
assert.notOk(isString(new Number(42)));
 
assert.ok(isString('foo'));
assert.ok(isString(Object('foo')));

Tests

Simply clone the repo, npm install, and run npm test

install

npm i is-string

Downloadsweekly downloads

851,518

version

1.0.4

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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