Function set_attribute

packages/svelte/src/internal/client/dom/operations.js:277–283

(element, key, value = '')

 * @returns
 */
export function set_attribute(element, key, value = '') {
	if (key.startsWith('xlink:')) {
		element.setAttributeNS('http://www.w3.org/1999/xlink', key, value);
		return;
	}
	return element.setAttribute(key, value);
}

/**
 * Browsers split text nodes larger than 65536 bytes when parsing.