Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use formatNumber method in Best

Best JavaScript code snippet using best

formatNumberSpec.js

Source:formatNumberSpec.js

1describe('formatNumber', function(){2    describe('rounding and enforce precision', function(){3        it('should enforce precision and round values', function(){4        5            expect( accounting.formatNumber(123.456789, 0) ).toBe( '123' );6            expect( accounting.formatNumber(123.456789, 1) ).toBe( '123.5' );7            expect( accounting.formatNumber(123.456789, 2) ).toBe( '123.46' );8            expect( accounting.formatNumber(123.456789, 3) ).toBe( '123.457' );9            expect( accounting.formatNumber(123.456789, 4) ).toBe( '123.4568' );10            expect( accounting.formatNumber(123.456789, 5) ).toBe( '123.45679' );11        });12        it('should fix floting point rounding error', function(){13            expect( accounting.formatNumber(0.615, 2) ).toBe( '0.62' );14            expect( accounting.formatNumber(0.614, 2) ).toBe( '0.61' );15        });16        it('should work for large numbers', function(){17            18            expect( accounting.formatNumber(123456.54321, 0) ).toBe( '123,457' );19            expect( accounting.formatNumber(123456.54321, 1) ).toBe( '123,456.5' );20            expect( accounting.formatNumber(123456.54321, 2) ).toBe( '123,456.54' );21            expect( accounting.formatNumber(123456.54321, 3) ).toBe( '123,456.543' );22            expect( accounting.formatNumber(123456.54321, 4) ).toBe( '123,456.5432' );23            expect( accounting.formatNumber(123456.54321, 5) ).toBe( '123,456.54321' );24            expect( accounting.formatNumber(98765432.12, 0) ).toBe( '98,765,432' );25            expect( accounting.formatNumber(98765432.12, 1) ).toBe( '98,765,432.1' );26            expect( accounting.formatNumber(98765432.12, 2) ).toBe( '98,765,432.12' );27            expect( accounting.formatNumber(98765432.12, 3) ).toBe( '98,765,432.120' );28            expect( accounting.formatNumber(98765432.12, 4) ).toBe( '98,765,432.1200' );29        });30        it('should work for negative numbers', function(){31            32            expect( accounting.formatNumber(-123456.54321, 0) ).toBe( '-123,457' );33            expect( accounting.formatNumber(-123456.54321, 1) ).toBe( '-123,456.5' );34            expect( accounting.formatNumber(-123456.54321, 2) ).toBe( '-123,456.54' );35            expect( accounting.formatNumber(-123456.54321, 3) ).toBe( '-123,456.543' );36            expect( accounting.formatNumber(-123456.54321, 4) ).toBe( '-123,456.5432' );37            expect( accounting.formatNumber(-123456.54321, 5) ).toBe( '-123,456.54321' );38            expect( accounting.formatNumber(-98765432.12, 0) ).toBe( '-98,765,432' );39            expect( accounting.formatNumber(-98765432.12, 1) ).toBe( '-98,765,432.1' );40            expect( accounting.formatNumber(-98765432.12, 2) ).toBe( '-98,765,432.12' );41            expect( accounting.formatNumber(-98765432.12, 3) ).toBe( '-98,765,432.120' );42            expect( accounting.formatNumber(-98765432.12, 4) ).toBe( '-98,765,432.1200' );43        });44    });45    describe('separators', function(){46        it('should allow setting thousands separator', function(){47            expect( accounting.formatNumber(98765432.12, 0, '|') ).toBe( '98|765|432' );48            expect( accounting.formatNumber(98765432.12, 1, '>') ).toBe( '98>765>432.1' );49            expect( accounting.formatNumber(98765432.12, 2, '*') ).toBe( '98*765*432.12' );50            expect( accounting.formatNumber(98765432.12, 3, '\'') ).toBe( '98\'765\'432.120' );51            expect( accounting.formatNumber(98765432.12, 4, ']') ).toBe( '98]765]432.1200' );52        });53        it('should allow setting decimal separator', function(){54            expect( accounting.formatNumber(98765432.12, 0, null, '|') ).toBe( '98,765,432' );55            expect( accounting.formatNumber(98765432.12, 1, null, '>') ).toBe( '98,765,432>1' );56            expect( accounting.formatNumber(98765432.12, 2, null, '*') ).toBe( '98,765,432*12' );57            expect( accounting.formatNumber(98765432.12, 3, null, '\'') ).toBe( '98,765,432\'120' );58            expect( accounting.formatNumber(98765432.12, 4, null, ']') ).toBe( '98,765,432]1200' );59        });60        it('should allow setting thousand and decimal separators', function(){61            expect( accounting.formatNumber(98765432.12, 0, '\\', '|') ).toBe( '98\\765\\432' );62            expect( accounting.formatNumber(98765432.12, 1, '<', '>') ).toBe( '98<765<432>1' );63            expect( accounting.formatNumber(98765432.12, 2, '&', '*') ).toBe( '98&765&432*12' );64            expect( accounting.formatNumber(98765432.12, 3, '"', '\'') ).toBe( '98"765"432\'120' );65            expect( accounting.formatNumber(98765432.12, 4, '[', ']') ).toBe( '98[765[432]1200' );66        });67        it('should use default separators if null', function(){68            expect( accounting.formatNumber(12345.12345, 2, null, null) ).toBe('12,345.12');69        });70        it('should use empty separators if passed as empty string', function(){71            expect( accounting.formatNumber(12345.12345, 2, '', '') ).toBe('1234512');72        });73    });74    describe('multiple numbers (array)', function(){75    76        it('should handle an array of numbers', function(){77            var vals = accounting.formatNumber([123, 456.78, 1234.123], 2);78            expect( vals[0] ).toBe( '123.00' );79            expect( vals[1] ).toBe( '456.78' );80            expect( vals[2] ).toBe( '1,234.12' );81        });82    });83    describe('properties object', function(){84    85        it('should accept a properties object', function(){86            var val = accounting.formatNumber(123456789.1234, {87                thousand : '.',88                decimal : ',',89                precision : 390            });91            expect( val ).toBe( '123.456.789,123' );92        });93        it('properties should be optional', function(){94            var val = accounting.formatNumber(123456789.1234, {});95            expect( val ).toBe( '123,456,789' );96        });97    });...

hooks.test.ts

Source:hooks.test.ts

...3describe('NumberFormatter', () => {4  test('languages', () => {5    let lang = 'de';6    const {result, rerender} = renderHook(() => NumberFormatter(lang, 5, 2));7    const germanFormat = result.current.formatNumber(2000.1);8    expect(germanFormat).toBe('2.000,1');9    lang = 'en';10    rerender();11    const englishFormat = result.current.formatNumber(2000.1);12    expect(englishFormat).toBe('2,000.1');13  });14  test('significantDigits', () => {15    const {result} = renderHook(() => NumberFormatter('en', 5, 5));16    const formatNumber = result.current.formatNumber;17    expect(formatNumber(123456)).toBe('123,456');18    expect(formatNumber(12345.6)).toBe('12,346');19    expect(formatNumber(1234.56)).toBe('1,234.6');20    expect(formatNumber(123.456)).toBe('123.46');21    expect(formatNumber(12.3456)).toBe('12.346');22    expect(formatNumber(1.23456)).toBe('1.2346');23    expect(formatNumber(0.123456)).toBe('0.12346');24  });25  test('maxFractionalDigits', () => {26    const {result} = renderHook(() => NumberFormatter('en', 5, 2));27    const formatNumber = result.current.formatNumber;28    expect(formatNumber(123456)).toBe('123,456');29    expect(formatNumber(12345.6)).toBe('12,346');30    expect(formatNumber(1234.56)).toBe('1,234.6');31    expect(formatNumber(123.456)).toBe('123.46');32    expect(formatNumber(12.3456)).toBe('12.35');33    expect(formatNumber(1.23456)).toBe('1.23');34    expect(formatNumber(0.123456)).toBe('0.12');35  });...

Using AI Code Generation

1var BestLibrary = require('./BestLibrary');2var best = new BestLibrary();3var BestLibrary = function () {4};5BestLibrary.prototype.formatNumber = function (num) {6  return num.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1,");7};8module.exports = BestLibrary;9var BestLibrary = require('./BestLibrary');10var best = new BestLibrary();11var BestLibrary = function () {12};13BestLibrary.prototype.formatNumber = function (num) {14  return num.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1,");15};16module.exports = BestLibrary;17var BestLibrary = require('./BestLibrary');18var best = new BestLibrary();19var BestLibrary = function () {20};21BestLibrary.prototype.formatNumber = function (num) {22  return num.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1,");23};24module.exports = BestLibrary;25var BestLibrary = require('./BestLibrary');26var best = new BestLibrary();27var BestLibrary = function () {28};29BestLibrary.prototype.formatNumber = function (num) {30  return num.toString().replace(/(\d)(?=(\d{3})+(?!\d))/g, "$1,");31};32module.exports = BestLibrary;

Using AI Code Generation

1var BestLibrary = require('./BestLibrary.js');2console.log(BestLibrary.formatNumber(123456789.123456789));3module.exports = {4  formatNumber: function(number) {5     return number.toFixed(2);6  }7};8module.exports = {9  area: function(radius) {10     return Math.PI * radius * radius;11  }12};13var circle = require('./circle.js');14console.log(circle.area(2));15var http = require('http');16http.createServer(function (req, res) {17  res.writeHead(200, {'Content-Type': 'text/plain'});18  res.end('Hello World19');20}).listen(

Using AI Code Generation

1var BestLibrary = require('./bestLibrary.js');2var num = 123456.789;3console.log(BestLibrary.formatNumber(num));4var formatNumber = function (num) {5    return num.toFixed(2);6}7module.exports.formatNumber = formatNumber;

Using AI Code Generation

1var BestLibrary = require('./BestLibrary.js');2var BestLibrary = require('./BestLibrary.js');3var BestLibrary = require('./BestLibrary.js');4var BestLibrary = require('./BestLibrary.js');5var BestLibrary = require('./BestLibrary.js');6var BestLibrary = require('./BestLibrary.js');7var BestLibrary = require('./BestLibrary.js');8var BestLibrary = require('./BestLibrary.js');9var BestLibrary = require('./BestLibrary.js');10var BestLibrary = require('./BestLibrary.js');11console.log(Best

Using AI Code Generation

1var BestLibrary = require('./BestLibrary');2var result = BestLibrary.formatNumber(1234567890);3console.log(result);4exports.formatNumber = function (num) {5    var str = num.toString();6    var result = '';7    var count = 0;8    for (var i = str.length - 1; i >= 0; i--) {9        if (count % 3 === 0 && count > 0) {10            result = ',' + result;11        }12        result = str[i] + result;13        count++;14    }15    return result;16};

Using AI Code Generation

1var lib = require('BestLibrary');2var result = lib.formatNumber(123456);3exports.formatNumber = function(num) {4  return num.toString().replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1,");5};6The formatNumber.js file will export the formatNumber method. You can import this module in the main application file using the require function. The following code shows the main application file:7var lib = require('./lib/formatNumber');8var result = lib.formatNumber(123456);9exports.formatNumber = function(num) {10  return num.toString().replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1,");11};12var lib = require('./lib/formatNumber');13var result = lib.formatNumber(123456);14exports.formatNumber = function(num) {15  return num.toString().replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1,");16};17var lib = require('./lib/formatNumber');18var result = lib.formatNumber(123456);

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.