Javascript

const text = 'abcda'.split('')
text.some( (v, i, a) => {
  return a.lastIndexOf(v) !== i
}) // true

PREVIOUS	NEXT

Code Example
Javascript :: reverse array in javascript
Javascript :: if in javascript
Javascript :: repeat call n times in js
Javascript :: normal function vs arrow function in javascript
Javascript :: input in html table
Javascript :: javascript display, show properties of object
Javascript :: node js mysql variables
Javascript :: canvas draw rect dashed
Javascript :: js set value in object only if defined
Javascript :: nunjucks check if in array
Javascript :: leaflet core
Javascript :: javascript div hover alert
Javascript :: chart js react
Javascript :: how to hide a screen from drawer in react navigation 5
Javascript :: hardhat async test
Javascript :: × Error: Invariant failed: You should not use <Switch outside a <Router
Javascript :: js display
Javascript :: javascript download file
Javascript :: clean my react app
Javascript :: separador de miles javascript
Javascript :: reactnaviataion change title
Javascript :: Get async: false
Javascript :: check if alpine js is loaded
Javascript :: Substring in Javascript using slice
Javascript :: react native updating options with setoptions
Javascript :: react linking to documents
Javascript :: select class with data attribute jquery
Javascript :: get buildspec.yml file for react app
Javascript :: generator function
Javascript :: phaser3 align text center