JAVASCRIPT TUTORIAL IN HINDI - Introduction

JAVASCRIPT TUTORIAL IN HINDI

Coming Soon:
·       JavaScript Tutorial: Introduction
·       JavaScript Tutorial: Syntax & Comment
·       JavaScript Tutorial: Variables
·       JavaScript Tutorial: Operations
·       JavaScript Tutorial: Control Statement
·       JavaScript Tutorial: Loop Control
·       JavaScript Tutorial: Functions
·       JavaScript Tutorial: Object & Numbers
·       JavaScript Tutorial: Data Object
·       JavaScript Tutorial: Match Object
·       JavaScript Tutorial: Arrays
·       JavaScript Tutorial: Strings
·       JavaScript Tutorial: Events
·       JavaScript Tutorial: Mouse Events
·       JavaScript Tutorial: Window Object
·       JavaScript Tutorial: History
·       JavaScript Tutorial: Navigator
·       JavaScript Tutorial: Screen Object
·       JavaScript Tutorial: Dialogs
·       JavaScript Tutorial: Cookies
·       JavaScript Tutorial: BOM
·       JavaScript Tutorial: DOM
·       JavaScript Tutorial: ERROR
·       JavaScript Tutorial: Animation
·       JavaScript Tutorial: Multimedia
·       JavaScript Tutorial: Form Validation

JAVASCRIPT TUTORIAL : INTRODUCTION

Website ko develop or design karna ek web developer ka kaam hota hai. Web develop karne ke liye HTML, CSS, Javascript or iske sath-sath thoda bhut Python bhi aana chahiye. In sabhi programming languages ko ache se sikh lete hai to apni pasand jaisa website bana sakte hai. Kisi bhi site ki coding HTML me hoti hai uske badh dusre program se uske design kiya jata hai.

To mnn me ye sawal jarur aata hoga ki JavaScript kya hai? or isse website design karne ke liye 3 languages aana bhut hi jaruri hai, aur JavaScript ka bhi utna hi jaruri hai jitna HTML and CSS.
Website develop ke liye HTML , CSS, and JavaScript ka kya-kya Kaam Hai
HTML: Pura naam HiperText Markup Language hota hai. Kisi bhi website ki coding HTMl ki under ki jaati hai. Isse ache se jaane ke liye yaha click kare: HTML INTRODUCTION
CSS: CSS yani Cascading Style Sheets, apni website ki jaisi colour dena chahte ho waisi css ki madat se kar sakte hai. Isse ache se samajhne ke liye click kare: CSS INTRODUCTION
JAVASCRIPT: Website me kisi pages me logic add karne ke liye use kiya jata hai. Isse ache se isi tutorial me samajhte hai.
Note: Agar aap web developer banna chahte hai to HTML, CSS, JavaScript language ke aalawa or bhi langauges aani chahiye jaise Python, Ruby, C++ and C language. Tabhi jaa kea chi web developer ban sakte ho.

JAVASCRIPT KYA HAI?

JavaScript ek client side programming language hai jo ki web pages me programming logic add karne ke liye use kiya jata hai. Mano aapne apni site pe Gmail Id Subscription button add ki hia to koi user apnu id submit karte hai to uspe internally kuch logic add hona chahiye tabhi perform hogi nahi to nahi hogi.
Waise to HTML ki madat se aap apni site ki structure pura complete kar sakte ho. Magar usme kuch features nahi rehegi jaise ki Form validation, Popup windows, Drop Down menu, Browser Detection and Cookies.
javaScript ko Brendan Eich ne 1995 me NetScape me banaya tha. Pehle iska naam LiveScript rakha gaya tha uske badh badal kar JavaScript rakh diya gaya. JavaScript me code likhte ho to use koi bhi Browser par run karke dekh karkte ho jo ki kafi aasan hai.

JavaScript ke Kya- Kya Advantages Hai

Dekha jaye to javaScript ka bhut fayda hia jaise:
·   ➤Fast Execution: yeh client side par  run hone ki wajah se bhut fast hai. Isse koi bhi server se connect karne me jyada time nahi lagta hai. Jaise hi koi server se connect hoti hai waise hi execute ho jati hai.
·   ➤Cross Platform: JavaScript ki coding ko kisi bhi OS (operating system) or Browser par execute karate hai to aasani se ho jata hai.

JavaScript Ke Disadvantages

Aapko pata hi hoga ki kisi chij ko advantages hote hai to uski disadvantages bhi hoti hai. to iski kuch disadvantages jaante hai.
➤ Security Issues: javaScript ka code client side par execute yani kisi bhi browser par aasani se execute hoti hai is liye run karte samay virus aane ki samasya hoti hai.
➤ Execution Vary: JavaScript ki code ko aap alag-alag browser par execute karati hai to alag-alag result deti hai.
Fir bhi aap javaScript ko use karte hai to apni site ki Dynamic look de sakte hai iske sath-sath highly interaction pages bhi create kar sakte hai. JavaScript language use karne se site ki loading speed bhi kam hoti hai.
To JavaScript ki jo basic jankari hai wo sabhi dene ki kosis ki hai. Agar aapko lagta hai ki mene kuch miss kiya hai to comment karke jarur bataye.  Aage jaante hai JavaScript ki kuch syntax and Comment ke bare me.

Click here: Syntax & Comment  
JAVASCRIPT TUTORIAL IN HINDI - Introduction JAVASCRIPT TUTORIAL IN HINDI - Introduction Reviewed by Phaguni Mandal on 10/18/2018 Rating: 5

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