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icon- Mozilla 1.8
- Type: string
- This attribute should be used to set the usage for common buttons. Some platforms display these buttons with a small icon indicating their usage. This should be used in place of the
imageattribute. Possible values include:accept,cancel,help,open,save,find,clear,yes,no,apply,close,print,add,remove,refresh,go-forward,go-back,properties,select-font,select-color,network. If you are using a button that matches one of these common usages, use theiconattribute to indicate this. See the appearance of the different icons on some available platforms.