Edit fiddle - JSFiddle - React, Tailwind, and code Playground

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HTML

<a href="/" onclick="alert('Оригинальная кнопка нажата')">
     <span onclick="var event = arguments[0] || window.event; alert('Инжектная кнопка нажата'); event.stopPropagation(); event.preventDefault()">То что было раньше в кнопке.</span>
</a>

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JSFiddle - React, Tailwind, and code Playground

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Use pre-released features

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