Function establishesBFC

establishesBFC(
    display: Val,
    position: Ident,
    float: Val,
    overflow: Ident,
    writingMode?: Ident,
    parentWritingMode?: Ident,
    isFlowRoot?: boolean,
): boolean
Judges if the generated box establishes a new block formatting context.
Parameters
- display: Val
- position: Ident
- float: Val
- overflow: Ident
- OptionalwritingMode: Ident
- OptionalparentWritingMode: Ident
- OptionalisFlowRoot: boolean
Returns boolean
- Defined in display.ts:196