hansamlin

/* http://meyerweb.com/eric/tools/css/reset/
   v5.0.2 | 20191019
   License: none (public domain)
*/

html,
body,
div,
span,
applet,

hansamlin

DOM Performance

• How the browser renders the document
  • Receives the data (bytes) from the server.
  • Parses and converts into tokens (<, TagName, Attribute, AttributeValue, >).
  • Turns tokens into nodes.
  • Turns nodes into the DOM tree.
• Builds CSSOM tree from the css rules.

hansamlin

export const isJavaScriptProtocol = /^[\u0000-\u001F ]*j[\r\n\t]*a[\r\n\t]*v[\r\n\t]*a[\r\n\t]*s[\r\n\t]*c[\r\n\t]*r[\r\n\t]*i[\r\n\t]*p[\r\n\t]*t[\r\n\t]*\:/i;

hansamlin

class LinkedListNode {
  constructor(value) {
    this.next = null;
    this.value = value;
  }
}

class LinkedList {
  constructor() {
    this.head = null;

hansamlin

function _get(obj, path, _default) {
    if (typeof obj !== "object") {
        throw new Error("param 1 must be an object")
    }

    if (typeof path !== "string" && !Array.isArray(path)) {
        throw new Error("param 2 must be an object or a string")
    }

    let _path = path

hansamlin

function getArrayBuffer(file) {
  return new Promise((resolve, reject) => {
    const reader = new FileReader();
    reader.addEventListener('load', () => {
      resolve(reader.result);
    });
    
    reader.addEventListener('error', () => {
      reject();
    });

hansamlin

import { useEffect } from 'react'
import Script from 'next/script'
import { useRouter } from 'next/router'
import * as gtag from './gtag'

const App = ({ Component, pageProps }) => {
  const router = useRouter()
  useEffect(() => {
    const handleRouteChange = (url) => {
      gtag.pageview(url)

hansamlin

// Set an error message and redirect
var redirectWithMessage = function (message, url, req, res) {
  req.session.messages = message;
  res.redirect(url);
};

// Return 'messages' value or null instead
var getMessages = function (req) {
  var messages = req.session.messages || null;
  delete req.session.messages;

hansamlin

# Note (November 2016):
# This config is rather outdated and left here for historical reasons, please refer to prerender.io for the latest setup information
# Serving static html to Googlebot is now considered bad practice as you should be using the escaped fragment crawling protocol

server {
    listen 80;
    listen [::]:80;
    server_name yourserver.com;

    root /path/to/your/htdocs;

hansamlin

function bubbleSort(arr) {


    for(var i = 0; i < arr.length; i++) {
        if(arr[i] > arr[i + 1]) {
            var tmp = arr[i + 1];
            arr[i + 1] = arr[i];
            arr[i] = tmp;
        }
    }