join list to string js code example

Example 1: javascript array to comma separated string

var colors = ["red", "blue", "green"];
var colorsCSV = colors.join(","); //"red,blue,green"

Example 2: javascript join list of string

// array.join(separator)

var myArray ['foo', 'bar', 'baz'];
myarray.join(':');
// foo:bar:baz

Example 3: javascript join address to string

var address = "foo";
var city;
var state = "bar";
var zip;

text = [address, city, state, zip].filter(Boolean).join(", ");
console.log(text)