๐พnewElement()
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๐พ replit: elem.showNote()
// โญ๏ธ newElement()
/*
* create and configure a new Element
*
* @param {string} tagName - like 'div', 'span' ...
* @param {function} config - function to configure the newly created element
* @return {Element}
*/
function newElement(tagName, config) {
let elem = document.createElement(tagName);
if (config) { config(elem) }
return elem;
}