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# call-bind <sup>[![Version Badge][npm-version-svg]][package-url]</sup> [![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url] [![npm badge][npm-badge-png]][package-url] Robustly `.call.bind()` a function. ## Getting started ```sh npm install --save call-bind ``` ## Usage/Examples ```js const assert = require('assert'); const callBind = require('call-bind'); const callBound = require('call-bind/callBound'); function f(a, b) { assert.equal(this, 1); assert.equal(a, 2); assert.equal(b, 3); assert.equal(arguments.length, 2); } const fBound = callBind(f); const slice = callBound('Array.prototype.slice'); delete Function.prototype.call; delete Function.prototype.bind; fBound(1, 2, 3); assert.deepEqual(slice([1, 2, 3, 4], 1, -1), [2, 3]); ``` ## Tests Clone the repo, `npm install`, and run `npm test` [package-url]: https://npmjs.org/package/call-bind [npm-version-svg]: https://versionbadg.es/ljharb/call-bind.svg [deps-svg]: https://david-dm.org/ljharb/call-bind.svg [deps-url]: https://david-dm.org/ljharb/call-bind [dev-deps-svg]: https://david-dm.org/ljharb/call-bind/dev-status.svg [dev-deps-url]: https://david-dm.org/ljharb/call-bind#info=devDependencies [npm-badge-png]: https://nodei.co/npm/call-bind.png?downloads=true&stars=true [license-image]: https://img.shields.io/npm/l/call-bind.svg [license-url]: LICENSE [downloads-image]: https://img.shields.io/npm/dm/call-bind.svg [downloads-url]: https://npm-stat.com/charts.html?package=call-bind [codecov-image]: https://codecov.io/gh/ljharb/call-bind/branch/main/graphs/badge.svg [codecov-url]: https://app.codecov.io/gh/ljharb/call-bind/ [actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/call-bind [actions-url]: https://github.com/ljharb/call-bind/actions