_docs-v1/toolbar/titleFormat.md
Determines the text that will be displayed in the header's title.
<div class='spec' markdown='1'> String/[View Option Hash](view-option-hash), *default*:{
month: 'MMMM yyyy', // September 2009
week: "MMM d[ yyyy]{ '—'[ MMM] d yyyy}", // Sep 7 - 13 2009
day: 'dddd, MMM d, yyyy' // Tuesday, Sep 8, 2009
}
A single string will set the title format for all views. A View Option Hash may be provided to target specific views (this is what the default does).
Uses formatDate/formatDates formatting rules. (The formatting rules were much different in versions before 1.3. See here)
<div class='version-info' markdown='1'> A *View Option Hash* can only be provided in version 1.4 and later. </div>