Skip to content

Instantly share code, notes, and snippets.

@dviramontes
Created September 10, 2017 21:53
Show Gist options
  • Save dviramontes/889daac853885140bf387a473449cdea to your computer and use it in GitHub Desktop.
Save dviramontes/889daac853885140bf387a473449cdea to your computer and use it in GitHub Desktop.
flatten array of arbitrary length
function flattenArray(arr) {
return arr.reduce((acc, e) => {
if(Array.isArray(e)){
return acc.concat(flattenArray(e));
}
acc.push(e);
return acc;
}, []);
}
const a = [ [ 1, 2, [ 3 ] ], 4 ];
console.log(flattenArray(a));
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment