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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.

Parameters​

selector​

string

root?​

ParentNode = document

Returns​

HTMLElement