javascriptFormat number thousands separators

var num = 1234567;
num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ');ctrl + cyoutubegithub

`var num` declare test number	`num.toString()` converts number to string
`replace` regex to replace every 3 symbols to a given character (source)	`' '` character to separate thousands (space in our example)