Func Create DOM Elements

function createEl(type, attr, ...content) {
    const element = document.createElement(type);
    for (const item in attr) {
        if (item == 'class') {
            element.classList.add(attr[item]);
        } else if (item == 'disable') {
            element.disabled = attr[item];
        } else {
            element[item] = attr[item];
        }
    }

    for (let item of content) {
        if (typeof item == 'string' || typeof item == 'number') {
            item = document.createTextNode(item);
        }
        element.appendChild(item);
    }
    return element;
}