Get or set inner HTML/text content of a DOM element

gistfile1.js

function html(element, htmlContent) {
    if(htmlContent === undefined) {
        return element.innerHTML;
    } else {
        element.innerHTML = htmlContent;
    }
}
function text(element, value) {
    var content = element.textContent;
    if (value === undefined) {
        if (content !== undefined) return content;
        else return element.innerText;
    } else {
        if (content !== undefined) element.textContent = value;
        else element.innerText = value;
    }
}