Iterator join

Specification
Proposal repo

Modules

esnext.iterator.join

Built-ins signatures

class Iterator {
  join(separator?: string): string;
}

Entry points

core-js/proposals/iterator-join
core-js(-pure)/actual|full/iterator/join

Examples

[1, 2, 3].values().join();     // => '1,2,3'
[1, 2, 3].values().join('-');  // => '1-2-3'
[1, null, 3].values().join();  // => '1,,3'