Create Simple Savings Calculator Javascript

Posted By admin On 16.09.21

Here are the steps to create a simple calculator using HTML and JavaScript which can evaluate simple arithmetic on integer numbers. Two types of inputs text and button are used here on a table within a form element and the OnClick event was used to insert button values on the screen or to evaluate the numbers.

401k Savings Calculator
Simple Savings Calculator Formula
Create Simple Savings Calculator Javascript Download
Create Simple Savings Calculator Javascript Tutorial

This is a relatively simple calculator implementation, but covers some interesting topics in terms of data buffering, state management, and really in just how everything, no matter how simple it seems, always has its own set of complexities. To get the full-source code check out the link over here. Things to fix: 1) Assign to value, not innerHTML, when referring to an input element. (They have no content, hence no innerHTML. 2) Start a function declaration with the keyword function. 3) It’s parseFloat, not parsefloat. JavaScript is case-sensitive. See full list on thecodingpie.com. Javascript:- Handle different types of events and re-usability with functional programming. We will complete development in three different parts. Create the layout. Handle the functionality. Creating the layout of the calculator. If you see the above image you will realize that our calculator is composed of two different sections. Because you have an interface for this to be defined, I would suggest not splitting the string, but having your input create an array of 'operands' and 'operators' that can then build a string from, with the result being easily consumable for calculating the result, for instance. Simple example: `22, 'x', 15, '.', 2.

Table of Contents

Steps to create a Simple calculator Using HTML and JavaScript

1. At first Insert a <form> element within <body> tag.

2. Create a table using <table> …..</table> tag.
3. Insert two types of Input text and button within table data of table row using <tr><td>….</td></tr> tag.
4. Assign OnClick event for all the buttons having numbers and arithmetic operators.
5. Give blank value for Clear(C) button.
6. Use eval() function to evaluate the numbers on OnClick event of equal to sign button.

401k Savings Calculator

Full HTML code for a Simple HTML calculator

Preview of Simple HTML calculator

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3 Comments

jebreelReply

shuseel
Please tell me how to design two inputs type=text that the question appear in the first input
and the result appear in the second one?

Let us create a simple web app that helps to calculate simple interest. The code is given below. You can paste it into a text editor (e.g.: gEdit or Notepad), save it with a filename that has the extension .html (e.g.: simpleint.html), open it in a web browser, and run it.

The calculate() function acts as the handler for the onclick event of the button. That is, when the user clicks the button Calculate, the calculate() function is executed.

Simple Savings Calculator Formula

The function should get the values that the user has entered into the input boxes. In order to do this, it uses the document.getElementById() method and the value property. After the calculation, the result is put inside a paragraph element using the same mechanism (assignment instead of reading, this time).

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