CSS SPEAK-HEADER

This property specifies how often table headers are spoken in relation to their relevant data cells.

Example
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table {
  speak-header: once
}
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<table style="speak-header: once">

Possible Values

inherit: Explicitly sets the value of this property to that of the parent.
once: The table header is spoken once before a series of cells.
always: The table header is spoken every time a relevant data cell is aurally rendered.