Currency Format

function currencyFormatter(separator, symbol, symbolFirst, value) {
        let result = Math.trunc(value) + separator;
        result += value.toFixed(2).substr(-2,2);
        if (symbolFirst){
            return symbol + ' ' + result;
        }
        else{
            return result + ' ' + symbol;
        }
}

function result(formatter){
     return function (value){
         return formatter(",","$",true,value)
     }
}
let dollarFormatter = result(currencyFormatter);
console.log(dollarFormatter(5345));   // $ 5345,00
console.log(dollarFormatter(3.1429)); // $ 3,14
console.log(dollarFormatter(2.709));  // $ 2,71