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Sun Web Application Guidelines - Version 4.1

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3 Windows and Content Pages > 3.3 JavaScript Windows

3.3 JavaScript Windows

JavaScript windows come in three implementation types: confirmation, alert, and prompt (all fully modal, but limited in controls). They prevent interaction with the browser so the user must take an action in the JavaScript window before moving on to the next task. These windows have a standard icon that cannot be changed, read-only text messages, and OK and Cancel buttons.

Type	Characteristics	Example/ Javascript Code
Confirmation	Has OK and Cancel buttons.	confirm( 'Do you Really Want Bacon?\n\nBacon is very bad for you.\nClick OK to confirm or Cancel to skip.' )
Alert	Has OK button only.	alert( 'Invalid Value\n\nThe number of bacon strips must be a value between 0 and 3.' )
Prompt	Prompts user for input in a single text field. Has OK and Cancel buttons.	prompt( 'What would you like instead of bacon?', 'dry toast' )

Required

R1 Use modal JavaScript windows only when users clearly benefit from not being able to interact with other windows supported by the same browser. No actions are permitted: scrolling, surfacing, moving, or editing. If less extreme modality is desired, swap all or some portion of a browser window instead of using a JavaScript window.
R2 JavaScript windows can contain secondary content pages (see 3.8 Secondary-Content Pages).

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3 Windows and Content Pages > 3.3 JavaScript Windows