JavaScript: Array.prototype.join

By Xah Lee. Date: 2017-03-09. Last updated: 2020-09-09.

arrayX.join(): Join array elements to string, using comma ",".
arrayX.join(seperator_string): Use seperator_string between elements.

console.log( [3,4,5].join() === "3,4,5" ); // true
console.log( [3,4,5].join( "-" ) === "3-4-5" ); // true

∑ JS ^{in Depth}
XAH BUY NOW

JS in Depth

JS Obj Reference

DOM

JS Obj Reference

Array

prototype