DevUtil.js
Useful JavaScript development utilities (functions).
Usage
JavaScript file
-
Download whole repository or just a single devutil.js file.
-
Add to .html file (
<head>section):
<script src="devutil.js"></script>
- Call JavaScript function from your JavaScript code, example:
<script type="application/javascript">
console.log(DevUtil.isTrue(true));
</script>Functions
| JavaScript function | Description |
|---|---|
| DevUtil.isDefined() |
true if variable is defined, false otherwise |
| DevUtil.isUndefined() |
true if variable is undefined, false otherwise |
| DevUtil.isTrue() |
true if variable's value equals to true, false otherwise |
| DevUtil.isFalse() |
true if variable's value equals to false, false otherwise |
Unit tests
npm install --save-dev jest
- Run unit tests:
npm run test
License
Copyright (c) 2021, Andrey Kashukov