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JavaScript
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<svg id="svg" xmlns="http://www.w3.org/2000/svg"> <circle cx="80" cy="80" r="60" fill="#ffae00" id="mycircle"/> </svg>
window.addEventListener("load", () => { const nCircle = document.querySelector("#svg > circle"); const ns = "http://www.devdic.com/ns/2023/my"; const attr = document.createAttributeNS(ns, "foo"); attr.value = "This is namespace"; nCircle.setAttributeNode(attr); console.log(nCircle.getAttributeNS(ns, "foo")); // "0 0 100 100" });
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