Simple JavaScript logging framework.

logger.js

/**
 * Simple logging framwork
 * Supports Chrome or Firefox
 * Usage:
 *
 * AppHtml5.log.info('Dropdown value changed to something new!');
 *
 */

//create logging functions
(function () {
    var assembleOutput = function (stuff, e) {
        var lines = [ stuff ];
        if (e && e.stack) lines.push(e.stack);
        return lines.join('\n');
    };
    //for chrome
    if (window.console && console.log) {
        AppHtml5.log.debug = function (stuff, e) {
            if (AppHtml5.settings.logEnabled) console.log(assembleOutput('DEBUG: ' + stuff, e));
        };
        AppHtml5.log.info = function (stuff, e) {
            if (AppHtml5.settings.logEnabled) console.log(assembleOutput('INFO: ' + stuff, e));
        };
        AppHtml5.log.error = function (stuff, e) {
            if (AppHtml5.settings.logEnabled) console.log(assembleOutput('ERROR: ' + stuff, e));
        };
    }
    else { //for firefox
        AppHtml5.log.debug = function (stuff, e) {
            if (AppHtml5.settings.logEnabled) dump(assembleOutput('DEBUG: ' + stuff, e));
        };
        AppHtml5.log.info = function (stuff, e) {
            if (AppHtml5.settings.logEnabled) dump(assembleOutput('INFO: ' + stuff, e));
        };
        AppHtml5.log.error = function (stuff, e) {
            if (AppHtml5.settings.logEnabled) dump(assembleOutput('ERROR: ' + stuff, e));
        };
    }
})();