author: Krasimir Tsonev

Hi there, I'm . Senior front-end engineer with over 13 years of experience. I write, speak and occasionally code stuff. Follow me on Twitter, GitHub, Facebook or LinkedIn

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Here is how call-to-action widgets probably work

Did you ever wondered how the call-to-action widgets work? You know, those little buttons for sharing content in the social networks. Very often they are distributed as iframes but sometimes we have to copy/paste script tags. And the instructions are "Place the following code where you want the button to appear". But if that's a script tag how it knows where to inject the button? The goal of this article is to give you an answer on this question.

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