klovadis klovadis

## gist:2549131
// example function where arguments 2 and 3 are optional
function example( err, optionalA, optionalB, callback ) {

    // retrieve arguments as array
    var args = [];
    for (var i = 0; i < arguments.length; i++) {
        args.push(arguments[i]);
    }

    // first argument is the error object

## gist:2549052

// example function that raises an error
function example (callback) {

    // correct approach
    return callback ( new Error('an error occurred') );

    // NO! BAD KITTY!
    return callback ('an error occurred');

## gist:2549029
var fs = require('fs');

// read a file
function read_the_file(filename, callback) {

    // begin by reading a file
    fs.readFile(filename, function (err, contents) {

        // an error occurred, i.e. the file was not found.
        // instead of throwing an error, skip the other

## gist:2548942
// include the filesystem module
var fs = require('fs');

// fs.readFile: read a file and all its contents,
//              then call a callback function
fs.readFile('/some/file', function (err, contents) {

    // if any error occurred, throw it
    if (err) throw err;

## index.js
// include the express framework
var express = require('express');

// include the node-walker module
// -> npm install node-walker
var walker = require('node-walker');

// the express server instance
var app = express.createServer();

## gist:1952753
<div id="navbar" class="navbar">
	<ul id="navtabs" class="navtabs floatcontainer<vb:if condition="$show['member'] AND $notifications_total"> notify</vb:if>">
		{vb:raw template_hook.navtab_start}
		<vb:if condition="!$vboptions['selectednavtab'] AND THIS_SCRIPT != 'search'">
			<li class="selected"><a class="navtab" href="{vb:link forumhome}">{vb:rawphrase forum}</a>
				<ul class="floatcontainer">
					{vb:raw template_hook.navbar_start}
					<vb:if condition="$show['searchbuttons']">
						<vb:if condition="$show['member']">
						<li><a href="search.php?{vb:raw session.sessionurl}do=getnew&amp;contenttype=vBForum_Post">{vb:rawphrase new_posts_nav}</a></li>

## gist:1293127
// ----- throw your class into one single file = a seperate scope

// constructor and export
var myClass = module.exports = function () {
    // ..
}

// a public method
myClass.prototype.publicMethod = function () {

## gist:1292642
<html>
	<head>
		<title>...</title>

		<style>
		<!--

		p {
			border-left:4px solid #00FF00;
			display:block;
	// example function where arguments 2 and 3 are optional
	function example( err, optionalA, optionalB, callback ) {

	// retrieve arguments as array
	var args = [];
	for (var i = 0; i < arguments.length; i++) {
	args.push(arguments[i]);
	}

	// first argument is the error object

	// example function that raises an error
	function example (callback) {

	// correct approach
	return callback ( new Error('an error occurred') );

	// NO! BAD KITTY!
	return callback ('an error occurred');
	var fs = require('fs');

	// read a file
	function read_the_file(filename, callback) {

	// begin by reading a file
	fs.readFile(filename, function (err, contents) {

	// an error occurred, i.e. the file was not found.
	// instead of throwing an error, skip the other
	// include the filesystem module
	var fs = require('fs');

	// fs.readFile: read a file and all its contents,
	// then call a callback function
	fs.readFile('/some/file', function (err, contents) {

	// if any error occurred, throw it
	if (err) throw err;
	// include the express framework
	var express = require('express');

	// include the node-walker module
	// -> npm install node-walker
	var walker = require('node-walker');

	// the express server instance
	var app = express.createServer();
	<div id="navbar" class="navbar">
	<ul id="navtabs" class="navtabs floatcontainer<vb:if condition="$show['member'] AND $notifications_total"> notify</vb:if>">
	{vb:raw template_hook.navtab_start}
	<vb:if condition="!$vboptions['selectednavtab'] AND THIS_SCRIPT != 'search'">
	<li class="selected"><a class="navtab" href="{vb:link forumhome}">{vb:rawphrase forum}</a>
	<ul class="floatcontainer">
	{vb:raw template_hook.navbar_start}
	<vb:if condition="$show['searchbuttons']">
	<vb:if condition="$show['member']">
	<li><a href="search.php?{vb:raw session.sessionurl}do=getnew&contenttype=vBForum_Post">{vb:rawphrase new_posts_nav}</a></li>
	// ----- throw your class into one single file = a seperate scope

	// constructor and export
	var myClass = module.exports = function () {
	// ..
	}

	// a public method
	myClass.prototype.publicMethod = function () {
	<html>
	<head>
	<title>...</title>

	<style>
	<!--

	p {
	border-left:4px solid #00FF00;
	display:block;