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To display the menu when the user opens a file, write the menu code within an onOpen() function. The example below shows how to add a menu with one item, followed by a visual separator, then a sub-menu that contains another item.
To customize the default menu of your website, you have to enter the WordPress dashboard, click on Appearance and then on Menus. The first thing you need to do is to give the menu a name, and then click the Create Menu button. After creating it, you may start adding your menu items.
How to create a menu in a script?
A script can only create a menu if it is bound to the document, spreadsheet, or form. To display the menu when the user opens a file, write the menu code within an onOpen () function. The example below shows how to add a menu with one item, followed by a visual separator, then a sub-menu that contains another item.
By calling just a few setup methods, the framework will automatically handle three things for us. The only requirement of us is that we define a title text and icon drawable within our menu layout file, inflate this layout in onCreateOptionsMenu () and respond to clicks in onOptionsItemSelected ().
Apps Script can add new menus in Google Docs, Sheets, Slides, or Forms, with each menu item tied to a function in a script. (In Google Forms, custom menus are visible only to an editor who opens the form to modify it, not to a user who opens the form to respond.) A script can only create a menu if it is bound to the document, spreadsheet, or form.
How to create a custom right click menu?
In a web browser, when a right-click action is performed, an event gets fired. This event is the contextmenu event. To deploy a customized context menu, we’ll need to prevent default behaviour, and then set up, trigger, and position our own menu. It’s a bit of work, but we’re going to do it step by step.