puppeteer/new-docs/puppeteer.frame.addstyletag.md

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Frame.addStyleTag() method

Adds a <link rel="stylesheet"> tag into the page with the desired url or a <style type="text/css"> tag with the content.

Signature:

addStyleTag(options: FrameAddStyleTagOptions): Promise<ElementHandle>;

Parameters

Parameter	Type	Description
options	FrameAddStyleTagOptions	configure the CSS to add to the page.

Returns:

Promise<ElementHandle>

a promise that resolves to the added tag when the stylesheets's onload event fires or when the CSS content was injected into the frame.