Get and display div names on page

Javascript :: Get, Overline and Display Div Names on Page

javascript: var t = document.getElementsByTagName('div');
for (i = 0; i < t.length; i++) {
    void(t[i].style.padding = '5px;');
    b = t[i].id;
    h = t[i].innerHTML;
    void(t[i].innerHTML = '<p style=\'color:red;font-weight:bold;\'>' + b + '</p>' + h);
    void(t[i].style.border = '2px solid red');
}