npm package: @stdlib/time-toc
Description: Return a high-resolution time difference.
Author: The Stdlib Authors
Latest version: 0.2.3

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<details>
  <summary>
    About stdlib...
  </summary>
  <p>We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.</p>
  <p>The library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases.</p>
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</details>

# toc

[![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] <!-- [![dependencies][dependencies-image]][dependencies-url] -->

> Return a high-resolution time difference.

<section class="installation">

## Installation

```bash
npm install @stdlib/time-toc
```

</section>

<section class="usage">

## Usage

```javascript
var toc = require( '@stdlib/time-toc' );
```

#### toc( time )

Returns a high-resolution time difference, where `time` is a two-element `array` with format `[seconds, nanoseconds]`.

```javascript
var delta = toc( [ 100, 123456789 ] );
// returns [<number>,<number>]
```

Similar to `time`, the returned `array` has format `[seconds, nanoseconds]`.

</section>

<!-- /.usage -->

<section class="notes">

## Notes

-   This function is intended to be used in conjunction with [`tic`][@stdlib/time/tic] for measuring performance between intervals.

</section>

<!-- /.notes -->

<section class="examples">

## Examples

<!-- eslint no-undef: "error" -->

```javascript
var tic = require( '@stdlib/time-tic' );
var toc = require( '@stdlib/time-toc' );

var start = tic();

setTimeout( onTimeout, 2000 );

function onTimeout() {
    var elapsed = toc( start );
    console.log( 'Elapsed: %d seconds and %d nanoseconds', elapsed[0], elapsed[1] );
}
```

</section>

<!-- /.examples -->

<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->

<section class="related">

* * *

## See Also

-   <span class="package-name">[`@stdlib/time-tic`][@stdlib/time/tic]</span><span class="delimiter">: </span><span class="description">return a high-resolution time.</span>

</section>

<!-- /.related -->

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<section class="main-repo" >

* * *

## Notice

This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib].

#### Community

[![Chat][chat-image]][chat-url]

---

## License

See [LICENSE][stdlib-license].


## Copyright

Copyright &copy; 2016-2026. The Stdlib [Authors][stdlib-authors].

</section>

<!-- /.stdlib -->

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<section class="links">

[npm-image]: http://img.shields.io/npm/v/@stdlib/time-toc.svg
[npm-url]: https://npmjs.org/package/@stdlib/time-toc

[test-image]: https://github.com/stdlib-js/time-toc/actions/workflows/test.yml/badge.svg?branch=v0.2.3
[test-url]: https://github.com/stdlib-js/time-toc/actions/workflows/test.yml?query=branch:v0.2.3

[coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/time-toc/main.svg
[coverage-url]: https://codecov.io/github/stdlib-js/time-toc?branch=main

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-->

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[chat-url]: https://stdlib.zulipchat.com

[stdlib]: https://github.com/stdlib-js/stdlib

[stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors

[umd]: https://github.com/umdjs/umd
[es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules

[deno-url]: https://github.com/stdlib-js/time-toc/tree/deno
[deno-readme]: https://github.com/stdlib-js/time-toc/blob/deno/README.md
[umd-url]: https://github.com/stdlib-js/time-toc/tree/umd
[umd-readme]: https://github.com/stdlib-js/time-toc/blob/umd/README.md
[esm-url]: https://github.com/stdlib-js/time-toc/tree/esm
[esm-readme]: https://github.com/stdlib-js/time-toc/blob/esm/README.md
[branches-url]: https://github.com/stdlib-js/time-toc/blob/main/branches.md

[stdlib-license]: https://raw.githubusercontent.com/stdlib-js/time-toc/main/LICENSE

[@stdlib/time/tic]: https://www.npmjs.com/package/@stdlib/time-tic

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</section>

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