Need to know how to Enable an app that’s been Disabled I guess by my phone? [closed]

Closed 2 days ago.

How do I code a JavaScript function that will give a button to clear the current function of more than one button

How do I create a function that will take effect on more than one html buttons

How to add button in GoogleSheets toolabar. Not in Menu options

I want to add button in GoogleSheets toolbar, like for eample “Print” and access to this button script. I don’t want to have Menu option form the list.