-
-
Save cferdinandi/f0e7bb90381ef5ad28cbe336a1f40cf6 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>getType()</title> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| </head> | |
| <body> | |
| <script> | |
| /** | |
| * More accurately check the type of a JavaScript object | |
| * (c) Chris Ferdinandi, MIT License, https://gomakethings.com | |
| * @param {Object} obj The object | |
| * @return {String} The object type | |
| */ | |
| function getType (obj) { | |
| return Object.prototype.toString.call(obj).slice(8, -1).toLowerCase(); | |
| } | |
| let arr = trueTypeOf([]); // array | |
| let obj = trueTypeOf({}); // object | |
| let str = trueTypeOf(''); // string | |
| let date = trueTypeOf(new Date()); // date | |
| let num = trueTypeOf(1); // number | |
| let fn = trueTypeOf(function () {}); // function | |
| let reg = trueTypeOf(/test/i); // regexp | |
| let bool = trueTypeOf(true); // boolean | |
| let nl = trueTypeOf(null); // null | |
| let undef = trueTypeOf(); // undefined | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment