How to set Price Format using javascript Magento 2.

Format a Price Using Javascript(JS) in Magento 2 for display a price with proper formating.

You have to use ‘Magento_Catalog/js/price-utils’ priceUtils Js Object in your javascript file to set format a price using javascript.

priceUtils.formatPrice(amount, priceFormat, showSign) used to format a price.

amount = required field
priceFormat = Optional Object
showSign = Optional (Show sign like positive+/negative-)

define([
    'Magento_Catalog/js/price-utils'
], function (
    priceUtils
) {
    'use strict';

    return {

        /**
         * Formats the price according to store
         *
         * @param {number} Price to be formatted
         * @return {string} Returns the formatted price
         */
        getFormattedPrice: function (price) {
            var priceFormat = {
                decimalSymbol: '.',
                groupLength: 3,
                groupSymbol: ",",
                integerRequired: false,
                pattern: "$%s",
                precision: 2,
                requiredPrecision: 2
            };

            return priceUtils.formatPrice(price, priceFormat);
        }
    }
});

call function from template or js file,

var amount = 99;
getFormattedPrice(amount);

You can change priceFormat object based on your requirement.

Output:
$99.00