object.map

2019-01-14 admin

object.map是什么

什么是object.map,Similar to map for arrays, this creates a new object by calling the callback on each property of the original object.

object.map使用教程帮助文档

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Similar to map for arrays, this creates a new object by calling the callback on each property of the original object.

Install

Install with npm:

$ npm install --save object.map

Usage

var mapValues = require('object.map');

var result = mapValues({a: 'a', b: 'b'}, function(val, key, obj) {
  return val + val;
});
console.log(result);
//=> {a: 'aa', b: 'bb'}

Optionally specify a thisArg as the last argument:

var result = mapValues({a: 'b'}, function(val, key, obj) {
  return this.foo;
}, {foo: 'bar'});
console.log(result);
//=> {a: 'bar'}

About

Related projects

  • arr-map: Faster, node.js focused alternative to JavaScript’s native array map. | homepage
  • array-each: Loop over each item in an array and call the given function on every element. | homepage
  • collection-map: Returns an array of mapped values from an array or object. | homepage

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.

Contributors

Commits Contributor
4 jonschlinkert
1 phated
1 doowb

Building docs

(This project’s readme.md is generated by verb, please don’t edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)

To generate the readme, run the following command:

$ npm install -g verbose/verb#dev verb-generate-readme && verb

Running tests

Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:

$ npm install && npm test

Author

Jon Schlinkert

License

Copyright © 2017, Jon Schlinkert. Released under the MIT License.


This file was generated by verb-generate-readme, v0.6.0, on December 20, 2017.

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