Format thousands with custom separator: 1 000 000
Demo: vovanr.github.io/format-thousands
npm install --save format-thousands
var formatThousands = require('format-thousands');
formatThousands(1000);
//=> '1 000'
formatThousands(5000, {formatFourDigits: false});
//=> '5000'
formatThousands(1000000, '`');
//=> '1`000`000'
formatThousands(10000, {separator: "'"});
//=> "10'000"
formatThousands(-100000);
//=> "-100 000"
formatThousands(10000.0001)
//=> "10 000.0001"
formatThousands();
//=> ''MIT © Vladimir Rodkin