Javascript Form Calculator

by Zell Liew How to build an HTML calculator app from scratch using JavaScript This is an epic article where you learn how to build a calculator from scratch. Just copy paste the below script in to an html file and run on any browser to see the working. JavaScript Payroll Calculator About this page This simple JavaScript-based calculator is designed for folks who want to do payroll themselves without having to fork over a fortune to a payroll services company. Use a calculator on your website, or share its link via messengers, social media and email. For example, when a user requests a PHP page that contains a form with a menu, a PHP script in the page automatically populates the menu with values stored in a database. It is possible to alter the color, font, and certain parts of the code to best fit your website. The first thing to do is to fix your HTML. A form is made whose name is assigned as calculator. We will learn about document object in detail later. Scientific Calculator for Your Site. Simple Calculator Application In Java Script. This tutorial will teach you how to make a calculator using PHP. JavaScript can take the contents of an HTML order form, process them, and display the order for verification even including the grand total! When the user confirms the order by clicking the button, the order is emailed to you by using freedback. Example: Directions: Simply cut and paste everything inside the box below onto your page. Calculator Use. This is a free javascript calculator. Code Put this in the head part of the document