requireElement
FitFileViewer - API Documentation v29.4.0
FitFileViewer - API Documentation / utils/dom/domHelpers / requireElement
Function: requireElement()
requireElement(
selector:string,root?:ParentNode):HTMLElement
Defined in: utils/dom/domHelpers.js:186
Assert a required element exists and return it as HTMLElement. Throws a descriptive error if not found.
Parametersβ
selectorβ
string
root?β
ParentNode = document
Returnsβ
HTMLElement