Introduction to Express Js | Sigma Web Development Course - Tutorial #88

[@EngineerAnsh]

00:01 Express Js is a framework for web development using Node.js 02:12 Express is a framework designed to simplify server-side JavaScript development 04:20 Using npm to install different versions of Express 06:12 ExpressJs basics and handling requests 07:59 Introduction to request parameters and queries in Express Js 09:59 Express Js provides good utilities for creating maintainable endpoints and managing database connections. 11:56 Express.js allows to access URL parameters and query parameters using request params 13:54 Understanding the request object in ExpressJS 16:19 Introduction to Express Js and serving static files 18:32 Express is designed to simplify website development

[@HarshBait-g8p]

How do you practice of all of these things he thought

[@PujaRawat-v1e]

I wanted to express my sincere gratitude for the fantastic content you've been sharing on KZbin. Your videos are not only informative but also incredibly engaging. Thanks for making learning such an enjoyable experience. I truly appreciate your efforts! thank u harry bhai😍👐💥

[@dhruvinmehta53]

Genius man , genius playlist , genius audience . We will take a nice job

[@nayanpal6439]

Code with Harry is not an emotion it's a channel ❤

[@awesomeguy6427]

chal chomu comment copy karke cool banne agya.

[@Space_Journeyy]

Code with Harry is not a channel it's an emotion 🙂

[@divsworld5925]

@@awesomeguy6427 reddy?

[@ZeeshanAli-kd1lp]

wrong, its emotions

[@jaydeeprathore5226]

bhaiya vese yr video khatam hone ke baad aap bhot mst sounds lagate ho ekdum energetic fir chahe vo koi bhi course ho sare me

[@narinderkamboj4335]

Thanku Harry Bhai for giving most helpful tutorial Please continue all lectures

[@GauravKumar_abcd]

I have recently learned HTML and CSS through Apna college paid course. I must say that the concepts they are telling is below or on equal level of Harry bhai free course

[@AliHamza-n6e]

@@itxdennis Nah bahi beginners ka lia sahi nahi ha Harry

[@HamzaShahzadEB_]

😂😂​@@AliHamza-n6e

[@payalnarwal]

Consistency 💯 🤩

[@kshitij.rajvanshi.9]

Hey, have you learnt and understood all topics from the playlist or are you still learning? Can we connect. So that we can share our doubts and learn together

[@deepakkansal9112]

nhi degi bhai@@kshitij.rajvanshi.9

[@nirvanaseeker6634]

Your videos make learning fun and interesting....Thank you for your efforts!

[@Hafijur0211]

🎯 Key Takeaways for quick navigation: 00:00 📝 *Introduction to Express JS* - Overview of Express.js and its importance in web development. - Express.js helps in building production-level web applications. 00:36 🛠️ *Agenda Overview* - Discussing the agenda for the video, including understanding Express.js and why it's used. - Overview of a basic server created using Express.js. 01:13 🔄 *Server Restart Issue* - Demonstrating a server restart issue where manual restart is required. - Resolving the restart issue using npm's `nodemon` package. 01:54 📂 *Project Structure and Setup* - Setting up an Express.js project using npm. - Creating an initial project directory and installing Express.js. 03:39 🔄 *Express.js Updates* - Discussion on Express.js updates, particularly version 5, and its minor changes. - Mention of changes like capitalizing "D" in "sendFile" and other minor improvements. 04:34 📦 *Installing Express* - Installing specific versions of packages using npm. - Importance of referring to documentation for frameworks. - Demonstrating how to install and set up Express. 05:45 📂 *Exploring Express basics* - Importing and initializing Express. - Setting up route handlers with `app.get`. - Handling requests and responses with route handlers. 07:52 🔄 *Planning for next topics* - Discussing the next topics: request parameters and queries. - Planning to create different pages for an application: about, contact, etc. 08:21 📝 *Overview of writing content in Express.js* - Overview of writing content in Express.js, - Explains writing 'Hello', 'Contact', and 'About' content in Express.js, and the purpose of using 'Hello' and 'Contact' in the code. 09:02 🔍 *Explanation of code execution in Express.js* - Demonstrates how to use endpoints like '/about' and '/contact' in Express.js, - Shows how to handle errors in Express.js when endpoints are not defined properly, - Discusses the importance of managing endpoints efficiently in Express.js. 09:43 💻 *Writing blogs in Express.js* - Demonstrates writing a blog in Express.js, - Discusses the process of writing an 'Introduction to JS' blog in Express.js, - Mentions the possibility of writing an 'Introduction to Python' blog in Express.js. 12:30 🧩 *Parsing Request Parameters in Express* - Demonstrates how to parse request parameters in Express. - Uses the `req.params` object to access parameters from the URL. - Shows how to define multiple parameters and access them in the request handler. 13:39 🔄 *Handling Query Parameters in Express* - Discusses how to handle query parameters in Express. - Explains the use of `req.query` object to retrieve query parameters. - Demonstrates the process of setting query parameters in a URL. 15:01 🚦 *Controlling the Route Flow* - Shows how to control the flow of routes based on query parameters. - Uses the example of setting a dark or light mode for rendering a website. - Demonstrates how to use `req.query` to pass parameters in the URL. 16:30 🔍 *Reviewing URL and Query Parameter Handling* - Reviews the handling of URLs and query parameters in Express. - Shows how to update and access URLs using `req.params` and `req.query`. - Demonstrates logging and outputting request parameters for debugging purposes. 17:11 🔄 *Request and query parameters in Express.js* - Explanation of request.query and request.params in Express.js. - Overview of how to process and use request parameters in Express.js. - Introduction to custom logic for processing request parameters. 17:40 📁 *Serving static files in Express.js* - Instructions on serving static files using Express.js. - Demonstrates how to use the "static" section in Express.js to serve static files. - Explanation of using the "use" middleware in Express.js for serving static files. 18:32 🔒 *Importance of using the correct package to avoid errors in Express.js* - Emphasis on using the correct packages, like "http" and "express", to avoid errors. - Explanation of how using incorrect packages can lead to mistakes in code. - Importance of using Express.js for building production websites. 19:31 🚫 *Avoiding mistakes when serving static files in Express.js* - Demonstrates the correct way to serve static files in Express.js to avoid mistakes. - Explanation of how placing files in the wrong directory can lead to errors. - Importance of correctly configuring static file serving in Express.js. Made with HARPA AI

[@therealartist9]

harpa ai teri ristedaar hai kya

[@Polash72]

Guru ji o guru ji guru ji ap sunrahe ho ap kamal o guru ji😂😂😂 Love you new Python and JS courses.💖💗Golpi dil,💗 golapi dil.

[@vanshgautam6833]

Best teacher on youtube

[@victorb22622]

11:06 इतनी सारी लाइन लिखने के बाद रिजल्ट क्या आ रहा है? ब्राउजर पर एक लाइन आ रही है।वो टू html page par लिखने से भी आ जाएगी ।whats real world use?

[@T.Akshay_Pratap_Singh]

19:16 nhii hogi serve package.json until or unless hum usse public folder k andhar na rakhein

[@hemenlahkar]

19:20 nahi hogi. Kyuki sirf 'public' name ke folder publically available hai

[@NischitChettri]

19:18 package.json wont be display becuz, the [app.use(express.static('public'))] the file name is public inside the express.static

[@funhourswithyash]

nhi package.json serve nhi hogi but package.json ko public folder mai rakhoge to definatly packge.json bhi serverhogi 😎😎

[@metacaptain5204]

another day thanking this guy effort kia baat ha harry bhai genius

[@MR.2005-y8w]

nice! harry bhai dil se salute hai bhai

[@hameedcodes]

you are the great sir ! i love you very very much i have downloaded all of your channel videos, every course .Sir please make one video on top website for web development jobs in 2024

[@kiranmal8856]

you are awesome break every concept in easier manner thank you so much for provide valuable content to us.

[@Engineering_Unlocked]

No , Thank you so much bhaiya :) completed on 5/12/24

[@technicalhacker6615]

hi harry bai kasy ho ap ka course kafi acha ap ky course bht achy hoty ha meri ap sy ek request ha ap jab agli bar course bnay gy to course ko live aa kr start krna

[@Its__AnkitSahu]

19:12 nahi ho rahi hai

[@prashikganer4820]

No. package.json won't be served. It's outside public folder which is used to serve static files.

[@SAPTARSHIDEY-sk6pz]

harry bhayia , thank u so much for teaching this free. Love YOU!

[@JetPen]

19:18 nhi hogi sir show package.json kyunki woh public file mein nhi hai

[@arthur_bell]

19:16 nahi kyunke wo public folder mein nahi hai. #JavaScriptOP #SigmaBatchOP #HarryBhai

[@subodhmule2011]

Sir 2024 me web development ka scope rahega kya? Please Answer

[@ayushdaharwal9274]

Harry bhai please make a video on how to use Microsoft word and how to make ppt, presentation etc. and features of Microsoft word and excels ...it's a humble request from 1st year btech student please ....

[@AbhishekSingh-wb3lr]

Superbbb series most helpful one right now

[@The-superhero758]

Sigma batch op Thanks Harry sir❤

[@veryslon5104]

This is very wonderful tutorial. You best of the best.

[@victorb22622]

16:09 इससे क्या कोई पेमेंट गेटवे का ब्राउजर हो तो कोई ये slug कॉपी करके जो भी क्वेरी हो इनके पैरामीटर निकाल निकाल सकता है? Ager हा तो वो तो डेंजर हुआ

[@cali_bob_official]

Thank you 🙏 Harry sir 😊 you will get blessings from many students

[@RobokiYT]

19:23, NO because package.json is not in public folder

[@aliasghar_codes]

Sir please backend in depth seekhana because aap jesa youtube par koi nahi parhata or

[@utkarsh_singh00930]

No package.json won't be served because it is not in public folder that the built in middleware is trying to make public..❤❤

[@ProgrammerPurbali-pv7zx]

19:18 package.json wont be shown since it is not a public file

[@shivcharanbarai]

That's the way you raise the bar like anything 😎🥰

[@RahulKumar-lz9gn]

4:26 kya commedy hai bhai ki ...😁😁😁😁😁😁😎😎

[@RoNit_]

The energy is too high ❤❤

[@Unstoppable.Sakshi]

JavascriptOP! Harry Bhai

[@am26453]

very useful you are god of programming

[@CosmoMaximilian]

I am facing a issue that when I'm making changes ,it doesn't changes live without saving the js files repeatedly i have to press ctrl + s to save the file then its taking effect on reload . I have reinstalled nodemon after uninstalling then also ... what to do ... 🙏🙏🙏🙏🙏🙏🙏🙏

[@sarthakkharade7112]

package.json nai hogi serve, kyuki public folder mein nai hai wo

[@ahfvastav450]

sigma batch op boltey😍😍😍😍😍😍😍😍😍😍

[@deepanshugoel5632]

harry bhai c++ ki bhi fresh videos lekar ayo jaise python ki hai c++ ki playlist ke liye wait kar raha hun hope you will comment as yes or no or not now

[@abhaypratapsingh-xc5jt]

#SigmaBatchOp🥶🥶🥶🥶🥶🥶 winters me type krne ka mazza hi kuch aur hai

[@Conquertheworldwithlove.]

Yar wo server running at https wali line ke bad next line kaise likhi 1:29 min par

[@sonubehera7882]

I eagerly waiting for this topic

[@progicraft]

19:19 no package.json file did not served reason. It is not in public folder

[@shadikhusain1216]

Herry bhai advance level takk cover kerna plz.....❤🎉

[@LsEagle18]

Thank you! I EXPRESS my sincere thanks to you! :)

[@The-superhero758]

Sir 4k quality me videos upload kijiye

[@lakhansharan-g7b]

19:23 (no) because it is not in public folder

[@Anshuverma4674]

Jabb Harry bhai consistency nhi break kar rhe tho APNE KASE KAR SAKTE HH ❤❤🎉🎉

[@MdKaif-io4pm]

Thank u so much bhai ,now i can say i know the Express littllebit

[@sakalagamingyt3563]

Awesome tutorial Harry Bhai

[@AN_Bhagat]

#SigmaBatchOp #Javascriptop #Harry sir❤❤

[@Smile_please115]

Or kitna video aayega sir total kitna video hone wala hai

[@amitraksharchakraborty8761]

backend ka notes website mya nehi hya??

[@EmpoweredWithZarathos2314]

so informative

[@minecatter94]

very help full thanks❤‍🔥

[@AmanTheDisciple]

Duniya ko loot denge indians khatarnak developers bnke aise to XD

[@artechgiants]

#Javascript_op Awesome video 😎👍

[@littlescientist9337]

you are reached at Pakistan

[@artechgiants]

@@littlescientist9337 Yes, All software engineers like Harry's video

[@HarshBait-g8p]

How do you practice of all of these things he thought

[@amalmurikkoli7629]

Kya aap TypeScript sikha ne waale he future mein?

[@sandeepwadhawan6084]

Best intro to express🔥🔥

[@GauravGupta-o6f]

javascript is gret harry bhai

[@techiji1645]

Harry bhai india World Cup jeet gyi SP UP me jeet gyi mirzapur 3 bhi aa gyi ssb ho gya pr aapka comeback kb hoga we need more videos like this

[@soumadipghosh6521]

Khatam hogya na ye series?

[@sksahinparvej5500]

​@@soumadipghosh6521 khatam nehi hua hai abhi bhi

[@shantanu_saraf]

great explanation sir tysm

[@mohdismail6145]

19:22 No it will not as its not in public folder

[@markiV643]

tamaam masala aa chuka hai harry bhai, hahaha

[@ClipPodMania360]

Loving ur tutorials Can you bring tutorials on React Native

[@beastadhiraj]

Bro You are too AWS

[@strangereditz229]

Sigma Batch OP ❤

[@zuberkhan3050]

#SIGMA_BATCH_OP❤ #JAVASCRIPT_OP❤

[@tiwarikanishk5366]

no package.json serve nhi hogi - isse to pura backend hi serve ho jayega agr express ne aise hi hone de dia to

[@shabazuddin2854]

Love your videos👏👏👏

[@code.priyam]

19:22 nhi

[@JetPen]

12:58 Nahi sir 😭 padosi ko hi toh nahi bulana, woh ye bhi dekhke boldega isse accha mera beta 4 html bana dega, same hi toh hai

[@adeelnadeem5913]

Love you harry Bhai Love from Pakistan

[@Kirish-te7sm]

Haris Bhai hum React, Tailwind, Python aur Django b cover krenge iss course mein?

[@allenhuntsman]

Mast course h Harry bhai

[@chillff8823]

Hey guys help me !! My nodemon is not working always says port already in use even though I change the port it says the same

[@debendradash1524]

Harry Bhai vs code community edition ko kese use kare batao plss .

[@AmanBansal-h2k]

package.json serve nhi hogi kyunki wo public file nhi hai

[@Stark7_World]

Pakage.json serve nhi hogi

[@ds.zubair]

Amazing web dev series

[@250rihanbaig5]

Bhai please help me out choose between these two laptops 1. Lenovo IdeaPad gaming 3 Ryzen 5 6600H RTX 3050 TGP 85 watt 16 GB ram DDR5 4800 MHz Battery 60 wh 120 Hz screen refresh rate PRICE: 59K 2. HP victus 15 i5-12500H RTX 3050 TGP 75 watt 8 GB ram DDR4 3200 MHz Battery 70 whr 144 MHz screen refresh rate PRICE : 61.5 K

[@YouTubech11]

1

[@Nishant-xu1ns]

excellent video sir . keep it up

[@AnilKumar-f4u7l]

#SigmaBatchOp Harry bhai, are you also going to teach typescript? (please...)

[@hameedcodes]

sir make one video on difference between css and sass

[@AryanMishra01]

Harry Bhaiya op🎉

[@gajukumar456]

@Harry bhai react ka video add nehi koro ge sigma web development course me ? 🤔

[@Rohit_Rai901]

React JS ka kiya howa🤷‍♂🤔🤷‍♂🤔

[@gagantalukdar299]

Harry Bhai please aap C++ ki string video banaye na

[@xboy2374]

harry bhai mai public nahi kar pa rha hu koi bhi txt file ko koi solution bataoo

[@prasannadeshpande877]

harry bhai bar bar run krte wqt ye error aa rha ayar [nodemon] app crashed - waiting for file changes before starting...ye vala

[@MohdQuasimteamH]

bhai mai jab nodemon main.js kr raha huu toh mera error aa raha h tumhare me bhi yhi problem h kya

[@Conquertheworldwithlove.]

Ha 1:29 par server running at ke nad next line likh hi nahi pa raha