Code sample
Flatten array of arrays with JavaScript
const arrays = [[1], ["2"], [3]];
const merged = [].concat(...arrays);
console.log(merged); // [ 1, '2', 3 ]
Pre ES6:
var merged = [].concat.apply([], arrays);Similar articles
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Joel Abrahamsson
I'm a passionate web developer and systems architect living in Stockholm, Sweden. I work as CTO for a large media site and enjoy developing with all technologies, especially .NET, Node.js, and ElasticSearch. Read more
