Fixing this Parameter Issues in Google Apps Script Radio Buttons
Learn how to send the correct radio button element parameter to your Google Apps Script function and display toast notifications effectively.
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This video is based on the question https://stackoverflow.com/q/72412462/ asked by the user 'JackPDLTD' ( https://stackoverflow.com/u/13433518/ ) and on the answer https://stackoverflow.com/a/72412504/ provided by the user 'Tanaike' ( https://stackoverflow.com/u/7108653/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.
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Fixing this Parameter Issues in Google Apps Script Radio Buttons
When creating custom sidebars in Google Sheets with Google Apps Script, you might run into issues when trying to send parameters from HTML elements, such as radio buttons, to your JavaScript functions. This commonly happens due to misunderstandings regarding how to pass the this parameter. In this guide, we’ll discuss a particular problem encountered when implementing radio button change events, and we’ll provide a clear solution.
The Problem at Hand
In the custom sidebar HTML, you included a form with several radio buttons, each equipped with onchange events that trigger the function viewOptionsFormRadioChange(this);. However, when you check a radio button, you expected a toast notification for the "Under the Hood" option to pop up, but nothing happens. The main issue is that the this keyword does not correctly translate to the intended HTML element parameter within the Google Apps Script context.
Understanding the Solution
To overcome this issue, we suggest modifying the way the radio button's value is sent to the viewOptionsFormRadioChange function. Instead of passing this, pass this.value or this.id, enabling the function to correctly receive the corresponding value or the identifier for the selected radio button.
Modified HTML Structure
Here’s how the radio button HTML should be modified:
[[See Video to Reveal this Text or Code Snippet]]
This modification ensures that when a radio button changes, the selected value is passed as a string to the corresponding function in the Google Apps Script.
Updated JavaScript Function
After the HTML changes, the Google Apps Script function should be updated to handle the string value correctly:
[[See Video to Reveal this Text or Code Snippet]]
In this updated function, you directly check if the value passed is equal to "Under the Hood". If so, the toast notification will now appear as expected.
Important Notes
If you require the value of the id instead of the value itself, you can easily modify this.value to this.id. This adjustment would allow for checks like if(checkbox == "underTheHood") instead of value checks.
This modification allows your sidebar to respond seamlessly to radio button selections, enhancing user experience and interaction with the Google Sheets application.
By implementing these changes, you can successfully send parameters to your Google Apps Script function, ensuring that interactions within your custom sidebar yield the results you desire. Happy coding!
