Скачать или смотреть Fixing the Select Tag Issue in Dynamic HTML Tables

Learn how to properly handle multiple row inputs in dynamic HTML tables, including the use of `select` tags alongside `input` elements for accurate calculations.
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This video is based on the question https://stackoverflow.com/q/64330025/ asked by the user 'Misha' ( https://stackoverflow.com/u/13454123/ ) and on the answer https://stackoverflow.com/a/64330221/ provided by the user 'Simone Rossaini' ( https://stackoverflow.com/u/12402732/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Fixing the Select Tag Issue in Dynamic HTML Tables

Creating dynamic HTML tables can provide a lot of flexibility when you're developing interactive web applications. However, having multiple inputs in those tables can lead to unexpected behaviors, especially when using select tags alongside input fields. If you've encountered a problem where your calculations are failing to consider the select input, you're not alone. Let's dive into understanding the issue and how to resolve it effectively.

The Problem: Understanding Why the Select Tag Is Not Working

In dynamic tables, it's common to add rows on demand, which often involves multiple types of input fields. You might find that your calculations are working perfectly for input fields like numbers and text, but fail when a select tag is involved. Here’s a breakdown of the issue:

Input Handling: The current method of fetching input values only focuses on input fields without including select fields.

Dynamic Row Creation: When adding new rows dynamically, the new inputs must have their event listeners set correctly to trigger calculations when values change.

How to Fix It: Steps for a Functional Dynamic Table

Step 1: Update Your Row Creation Logic

Instead of limiting your selection to just input tags when adding new rows, you'll need to include select tags as well. Here’s how you can adjust your code:

Original Code Snippet (Faulty):

[[See Video to Reveal this Text or Code Snippet]]

Updated Code Snippet (Correct):

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Adjust the Calculation Function

Make sure that the calculation function can pull values from both input and select fields. Here’s the revised function:

[[See Video to Reveal this Text or Code Snippet]]

Step 3: Complete Example Code

Here’s how the full code would look after implementing the above changes:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Handling dynamic tables with multiple input types can seem daunting, especially when select tags are involved in calculations. However, by making simple adjustments to how you gather input values, you can ensure that every type of input works seamlessly together. Now you can extend your tables, accurately calculating totals for as many rows as your application needs! Happy coding!