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pad-left
Advanced tools
Readme
Left pad a string with zeros or a specified string. Fastest implementation.
You might also be interested in word-wrap.
Install with npm:
$ npm install pad-left --save
var pad = require('pad-left');
pad( '4', 4, '0') // 0004
pad( '35', 4, '0') // 0035
pad('459', 4, '0') // 0459
Benchmarks for node.js v6.1.0 versus left-pad.
# benchmark/fixtures/10-custom-char.js (37 bytes)
pad-left x 14,940,947 ops/sec ±0.81% (87 runs sampled)
left-pad x 7,901,604 ops/sec ±1.17% (86 runs sampled)
# benchmark/fixtures/10.js (32 bytes)
pad-left x 13,305,123 ops/sec ±1.53% (84 runs sampled)
left-pad x 6,979,536 ops/sec ±1.13% (84 runs sampled)
# benchmark/fixtures/100-custom-char.js (38 bytes)
pad-left x 14,227,637 ops/sec ±1.41% (81 runs sampled)
left-pad x 1,352,240 ops/sec ±1.51% (86 runs sampled)
# benchmark/fixtures/100.js (34 bytes)
pad-left x 15,664,561 ops/sec ±0.99% (83 runs sampled)
left-pad x 1,247,316 ops/sec ±0.96% (87 runs sampled)
# benchmark/fixtures/1000-custom-char.js (40 bytes)
pad-left x 15,210,294 ops/sec ±1.15% (87 runs sampled)
left-pad x 159,958 ops/sec ±1.01% (88 runs sampled)
# benchmark/fixtures/1000.js (35 bytes)
pad-left x 14,157,425 ops/sec ±1.10% (88 runs sampled)
left-pad x 143,805 ops/sec ±1.08% (87 runs sampled)
Benchmarks for node.js v6.1.0 versus stevemao/left-pad.
# benchmark/fixtures/10-custom-char.js (37 bytes)
pad-left x 13,251,037 ops/sec ±1.40% (84 runs sampled)
left-pad x 10,745,530 ops/sec ±1.18% (86 runs sampled)
# benchmark/fixtures/10.js (32 bytes)
pad-left x 13,644,357 ops/sec ±1.33% (87 runs sampled)
left-pad x 20,107,245 ops/sec ±1.00% (88 runs sampled)
# benchmark/fixtures/100-custom-char.js (38 bytes)
pad-left x 15,650,330 ops/sec ±1.01% (86 runs sampled)
left-pad x 9,706,877 ops/sec ±1.13% (87 runs sampled)
# benchmark/fixtures/1000-custom-char.js (40 bytes)
pad-left x 17,255,593 ops/sec ±0.99% (88 runs sampled)
left-pad x 6,312,637 ops/sec ±1.16% (87 runs sampled)
# benchmark/fixtures/1000.js (35 bytes)
pad-left x 15,679,410 ops/sec ±0.99% (90 runs sampled)
left-pad x 6,439,580 ops/sec ±1.08% (86 runs sampled)
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Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.
Generate readme and API documentation with verb:
$ npm install verb && npm run docs
Or, if verb is installed globally:
$ verb
Install dev dependencies:
$ npm install -d && npm test
Jon Schlinkert
Copyright © 2016, Jon Schlinkert. Released under the MIT license.
This file was generated by verb, v0.9.0, on May 07, 2016.
FAQs
Left pad a string with zeros or a specified string. Fastest implementation.
The npm package pad-left receives a total of 271,400 weekly downloads. As such, pad-left popularity was classified as popular.
We found that pad-left demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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