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requireElement

FitFileViewer - API Documentation v30.0.1

FitFileViewer - API Documentation / utils/dom/domHelpers / requireElement

Function: requireElement()

requireElement(selector: string, root?: ParentNode, runtime?: DomHelpersRuntime): HTMLElement

Defined in: utils/dom/domHelpers.ts:184

Assert a required element exists and return it as HTMLElement.

Parameters​

selector​

string

root?​

ParentNode

runtime?​

DomHelpersRuntime = ...

Returns​

HTMLElement

Throws​

Error if selector is empty or no element matches.