Validates if an array contains an input value.
$ npm install validate.io-contains
For use in the browser, use browserify.
var contains = require( 'validate.io-contains' );
Validates if an array
contains an input value
.
var arr = [ 1, '2', 3 ];
var bool = contains( arr, '2' );
// returns true
bool = contains( arr, 2 );
// returns false
Note: if not provided an array
, the function will throw an Error
.
var contains = require( 'validate.io-contains' );
var arr = [ 1, '2', NaN, null, {} ];
console.log( contains( arr, '2' ) );
// returns true
console.log( contains( arr, NaN ) );
// returns true
console.log( contains( arr, 2 ) );
// returns false
To run the example code from the top-level application directory,
$ node ./examples/index.js
Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:
$ make test
All new feature development should have corresponding unit tests to validate correct functionality.
This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:
$ make test-cov
Istanbul creates a ./reports/coverage
directory. To access an HTML version of the report,
$ make view-cov
Copyright © 2015. Athan Reines.