javascript console logging protection

console.log

// Avoid 'console' errors in browsers that lack a console.
( function() {
    var method;
    var noop = function noop() {};
    var methods = [
        'assert', 'clear', 'count', 'debug', 'dir', 'dirxml', 'error',
        'exception', 'group', 'groupCollapsed', 'groupEnd', 'info', 'log',
        'markTimeline', 'profile', 'profileEnd', 'table', 'time', 'timeEnd',
        'timeStamp', 'trace', 'warn'
    ];
    var length = methods.length;
    var console = ( window.console = window.console || {} );

    while ( length-- ) {
        method = methods[length];

        // Only stub undefined methods.
        if ( !console[method] ) {
            console[method] = noop;
        }
    }
}() );