JSFiddle - React, Tailwind, and code Playground

JavaScript

var element = document.createElementNS('http://www.w3.org/2000/svg', "feGaussianBlur");
element.setAttribute("stdDeviation", 5);
var clonedElement = $.clone(element);

alert("Original:" + element.getAttribute("stdDeviation") + ", Cloned:" + clonedElement.getAttribute("stdDeviation"));