Get the dropdown value with using Toolbox

globaltransferlogisti · 2025-02-14T08:30:47.347Z

Hello, I am a beginner in Bubble.

As a test, I am trying to create a simple calculator to find the volume of an object.

The user inputs the width, height, and depth, then selects a length unit from a dropdown menu to calculate the result.

For example:

m → multiply by 0.001
cm → multiply by 0.01

Currently, I am working with JavaScript along with the Toolbox plugin.

Here is my issue: I need to convert the selected length unit into a number for the final calculation, but even when I store the dropdown value in a variable, I can’t verify it.
Sometimes, I get a "value" is not defined error.

How can I store the selected value from the dropdown into a variable?
Also, how can I convert the text in the dropdown into a number and include it in the calculation?

1479×252 7.3 KB

2272×111 2.58 KB

(I’ve changed the variable names for the screenshot, it is not related to duplicate variables!)

jobinblancaflor31 · 2025-02-14T08:48:03.345Z

better use option set