function header_getStart<TFeatures, TData, TValue>(header): number;Defined in: features/column-sizing/columnSizingFeature.utils.ts:224
Computes a header's offset from the start of its header group.
The offset is the previous sibling header's start plus size, or 0 for the first header in the group.
TFeatures extends TableFeatures
TData extends RowData
TValue extends unknown = unknown
Header\<`TFeatures`, `TData`, `TValue`\>
number
const offset = header_getStart(header)