javascript join strings with separator code example

Example 1: .join in javascript

const elements = ['Sun', 'Earth', 'Moon'];

console.log(elements.join());
// output: "Sun,Earth,Moon"

console.log(elements.join(''));
// output: "SunEarthMoon"

console.log(elements.join('-'));
// output: "Sun-Earth-Moon"

Example 2: javascript join list of string

// array.join(separator)

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