Adding HTML JavaScript to A Form - Docomotion - Document Generation Solution on Salesforce

When creating a Form, you now have the capability to incorporate HTML5 JavaScript that triggers specific actions during predefined events. These events include:

On After Print
On Before Print
On Before Upload
On Error
On Hash Change
On Load
On Message
On Offline
On Page Hide
On Page Show
On Pop State
On Resize
On Storage
On Unload

For practical examples, refer to the ‘Using Javascripts (Examples)’ section. To integrate HTML JavaScript into a Form, follow these steps:

Open the Form in the Designer.
From the File menu, choose ‘HTML Window Script.’
In the HTML window script window, select the desired event from the Event drop-down list.
Click the ‘Add’ button next to JavaScript.

The JavaScript Editor window will appear.

Provide a Name and Description for the JavaScript.
Enter the JavaScript code in the Code area.
Optionally, select a tag from the drop-down list of Form tags and click ‘Insert Tag’ to add it to the code.
Once finished, click ‘Save.’

The Behavior Tree in the HTML window script window displays the script’s behavior.