How to Pass Values Between HTML Pages Using JavaScript Input Fields Effortlessly

Discover how to transfer values from one HTML page to another using JavaScript. Learn the common mistakes and how to fix them for seamless data handling.
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Passing Values Between HTML Pages Using JavaScript

Have you ever wondered how to pass data from one webpage to another using JavaScript? It's a common requirement when creating interactive web applications. In this post, we'll explore how to use an <input> element of type text to capture a value and then transfer that value to another page. Let's dive into the problem and its solution.

The Problem

The HTML Structure

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Why Is It Passing a Null Value?

You might be experiencing a null value for several reasons. Let's break down the issues:

Function Call Mismatch:

The function defined in the script is call() but it is referred to as cal() in the form action.

Key Mismatch in Local Storage:

Resolving the Issues

Here's how you can fix the problems:

1. Correct the Function Call

Make sure the onSubmit attribute of your form calls the correct function name:

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2. Use Consistent Keys

Ensure that you use the same key to set and get the value in local storage. For this example, let's use a as the key for both setting and retrieving:

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Final Code

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Conclusion

Passing values between pages in a web application can be achieved easily with JavaScript and local storage. By ensuring that your function names are correctly referenced and that you're consistent with your local storage keys, you can avoid issues like receiving null values. Give it a try, and you'll see how effortlessly you can transfer data between pages!