➤ I have executed the number button using the second line, which means that when you click the number button, the numbers will appear on the display. I have set a constant (input field) of input (‘input’). So far we have only designed this calculator, this time we will make the most significant work of this calculator i.e. } Step 4: Activate the calculator using JavaScript code Each number is surrounded by a border: 0.3px solid rgba (251, 253, 255, 0.171) which adds to the beauty.īackground-color: rgb(52, 155, 196) !important Padding: 20px 30px has been used to make these larger. The height and width of the calculator will be determined depending on the size of the buttons here. In this case, let me tell you, I did not pre-determine any height or width in the calculator. You will see that in this case, I have used four columns for which grid-template-columns: repeat (4, auto) has been used. Here you will find the required source code which you can copy and use in your project.īelow CSS code has helped to give style. Simple JavaScript Calculator įollow the demo section below to watch the live demo of this calculator. ➤ There is a beautiful display where all these calculations can be seen. ➤ In this case, I have used eleven number buttons like 0 to 9. ➤ In this case, I have used seven operator buttons which basically help to do this calculation such as addition, subtraction, multiplication, division, equal, cancel, backspace, etc. The most significant role here is played by JavaScript code which is used to perform calculations and activate the buttons in the calculator. HTML helped build its structure and buttons. In the design shown in this article, you can do small mathematical calculations like addition, subtraction, multiplication, division, etc. These are mainly used for mathematical calculations. We all know what a calculator is and why it is used. Here I have explained in full step by step which programming code I have used to create any element. If you are a beginner and want to know how to build a JavaScript calculator then this tutorial will definitely help you. I have already designed many more types of calculators using HTML CSS and JavaScript programming code. In this article, I am going to show you how to build a calculator using javascript code.
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