Created
March 6, 2020 13:49
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| [...document.querySelector("#root-id").querySelectorAll('*')] // get root node and all childs | |
| .reduce((acc, node) => [...acc, ...node.className.split(' ')],[]) // accomulate classNames | |
| .filter((v, i, self) => self.indexOf(v) === i); // filter uniq classNames |
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