LEARN ONLINE EASY.. SESSION 2: WEB DEVELOPMENT

hi, hear i am going to start session 2
in the last session you have studied about basic things of web development
let us see detail
Que: what are languages are commonly used ?
ans: html, script, jquery, mysql, css, php.

now let us see something new and short hints points which is easy to learn
1. script should write in separate in file which is helpful to easy find references & calling function.
2. css also write in separate file.
3. jquery is library function of scripting language.
4. php is hypertext scripting language
5. mysql is online data handling & storage space of data.

--> jquery is helpful to short writing you can easily write this

let us see declaration of jquery

$(document).ready(function()
{
alert('hello');
});

in above 1st point there is script declare(i.e. library file)
in 2nd -- use $ for ready web page document , if its ready then its pass to alert message.

Que: difference between window.ready , & document.ready
while window is loading it shows message hello---> window.ready
when webpage is ready it shows message hello--> document.ready

in case of use onload, onchange like attribute in tag,

$('#abc')--> document.getelementById(abc)
jquery ---> javascript
similarly for class

css is cascading style sheet to design such padding, background, margin.


in case php easily get, post value store value use for various purpose such as save register user, selecting database, caching, session handling, checking if not login access of webpage.


in case mysql store get, post data, view , result purify, getting by primary & foreign key ..

--while reading this session you are might be confusing in some point. but just simply read follow continuously to viewing next session.(you get details knowledge )
follow & share this session.