0425ebefe7
Cleaned up the current snippets for consistency and minor problems, added multiple tags to most of them, archived a few.
255 B
255 B
flatten
Flattens an array.
Use a new array, Array.concat() and the spread operator (...) to cause a shallow denesting of any contained arrays.
const flatten = arr => [].concat(...arr);
flatten([1, [2], 3, 4]); // [1,2,3,4]