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fast-isnumeric
Advanced tools
The fast way to check if a JS object is numeric
npm install fast-isnumeric
var isNumeric = require('fast-isnumeric');
isNumeric(/* any JS object */);
Run comparison on jsperf: http://jsperf.com/isnumeric-jquery-and-alternate/5
Please look up the test cases in test.js before using this module.
Most importantly, fast-isnumeric
returns false on number and string
constructors. That is, isNumeric(new Number(1))
and isNumeric(new String('1'))
are false.
Test locally with karma:
npm test
In plotly's javascript graphing library
plotly.js numerical objects must be accounted
for in numerous hot code paths. Inspired by Jon Schlinkert's
is-number, fast-isnumeric
is
significantly simplified and sped up by ignoring number and string constructors.
Alex Johnson | https://github.com/alexcjohnson
Copyright (c) 2015 Alex Johnson Released under the MIT license.
FAQs
The fast way to check if a JS object is numeric
The npm package fast-isnumeric receives a total of 107,164 weekly downloads. As such, fast-isnumeric popularity was classified as popular.
We found that fast-isnumeric demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 13 open source maintainers collaborating on the project.
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