Function createButtons

examples/hello-mui/js/mui.js:7405–7412

(btnArray)

        return '<div class="' + CLASS_POPUP_INNER + '"><div class="' + CLASS_POPUP_TITLE + '">' + title + '</div><div class="' + CLASS_POPUP_TEXT + '">' + message.replace(/\r\n/g, "<br/>").replace(/\n/g, "<br/>") + '</div>' + (extra || '') + '</div>';
    };
    var createButtons = function(btnArray) {
        var length = btnArray.length;
        var btns = [];
        for (var i = 0; i < length; i++) {
            btns.push('<span class="' + CLASS_POPUP_BUTTON + (i === length - 1 ? (' ' + CLASS_POPUP_BUTTON_BOLD) : '') + '">' + btnArray[i] + '</span>');
        }
        return '<div class="' + CLASS_POPUP_BUTTONS + '">' + btns.join('') + '</div>';
    };

    var createPopup = function(html, callback) {
        var popupElement = document.createElement('div');