Javascript

Submitted by: Submitted by

Views: 270

Words: 432

Pages: 2

Category: Science and Technology

Date Submitted: 04/23/2012 06:18 AM

Report This Essay

Prepared by Rathod Vijay P.

Mo.98259 62615

Java script

Using java script in the html format.

Syntax:

} statement block

Eg.

This is first java program WelCome document.write("Hello...");

* White space

Example of white space

Name=” Hardik”

Page 1 of 60

Prepared by Rathod Vijay P.

Mo.98259 62615

* Inserting Special Characters Example of white space

This is first java program WelCome document.write("Hello..\ R you \"Fine ?");

* Inserting Comment in Java script Example of Comment

This is first java program WelCome // Single line Comment document.write("Hello..\ You r \"Fine ?"); /*This is double line comment*/

Page 2 of 60

Prepared by Rathod Vijay P.

Mo.98259 62615

*using backslash

INSET SPECIAL CHARACTERS WELCOME document.write("YOU \& GAUTAM SING \"HAPPY BIRTHDAY\".");

Page 3 of 60

Prepared by Rathod Vijay P.

Mo.98259 62615

* Variable in Java Script

Variable scope in Java Script In short we can create local variable in the function, and we can create global variable in the script tag it will destroyed when the page is close.

Dialog boxes 1). Alert

Used to display any message on screen.

Syntax: alert(“message/text”);

example:

This is testing of alert WelCome alert("This is testing of alert");

Page 4 of 60

Prepared by Rathod Vijay P.

Mo.98259 62615

2). conform

To display any message on screen and gets input in form of yes and no.

Syntax: conform(“message/text”);

example:

This is testing of alert WelCome

if(confirm("Are you shore do you want to continue...?")) { alert("Your answer will display in few time..."); document.write(""); } else { alert("Your answer will not display in few time..."); document.write(""); }

Page 5 of 60

Prepared by Rathod Vijay P.

Mo.98259 62615

3). prompt

To get any details from the user.

Syntax: Var =prompt(“message/text”,”default value”);

s example:

This is...