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JavaScript Auto Calculate Form

by Online Tutorials Library

JavaScript Auto Calculate Form.

In this article, we will understand how to create Auto calculate price form in JavaScript. In this, we will learn some basics of this concept and some examples of Autocomplete form with the help of JavaScript.

What do you mean by JavaScript?

JavaScript abbreviated as JS. It is a dynamic programming language used for web development, web applications, game development, and lots more. It allows you to implement dynamic features on web pages that cannot be done with only HTML and CSS.

It is high-level, often just-in-time compiled, and multi-paradigm. It has curly-bracket syntax, dynamic typing, prototype-based object orientation, and first-class functions.

What do you mean by Auto Calculate form in JavaScript?

Auto Calculate feature is handy for when you want values entered into a form calculated automatically. For example: summing up a total on an invoice sheet to give to a customer.

Let’s take some examples of JavaScript Auto Calculate Form.

Example 1:

Explanation:

In the above example, we have demonstrated the functionality of auto calculate with the help of JavaScript. In this example, the user has selected the particular price code from the drop-down list and this price code is multiplied by 500 and after that according to this value , the total price is calculated.

Output:

Following figure shows the output of this example:

JavaScript Auto Calculate Form

Example 2:

Explanation:

In the above example, we have demonstrated the functionality of Auto calculates with the help of JavaScript. In this example, the user has entered the number of people in the textbox and then selected the price from the drop-down list, and after that, according to this value, the total price is calculated.

Output:

Following figure shows the output of this example:

JavaScript Auto Calculate Form

Example 3:

Explanation:

In the above example, we have demonstrated the functionality of Auto calculates with the help of JavaScript. In this, the user has entered the number of people in the textbox and then selected the price from the drop-down list, and after that, according to this value, the total price is calculated.

Output:

The following figure shows the output of this example:

JavaScript Auto Calculate Form


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