has-duplicates
Advanced tools
Returns true if an array has duplicate elements or a string has duplicate characters.
A Node.js module that checks an array for duplicate elements or a string for duplicate characters.
npm install has-duplicates --save
const hasDuplicates = require('has-duplicates')
// Arrays
hasDuplicates([1, 1]) // true
hasDuplicates([1, 2]) // false
// Strings
hasDuplicates('aa') // true
hasDuplicates('ab') // false
FAQs
Returns true if an array has duplicate elements or a string has duplicate characters.
We found that has-duplicates 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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