Java Script

What is Java Script?

JavaScript is a scripting or programming language that allows you to implement complex features on web pages. JavaScript and Java are not the same. Java is a high level programming language completely different from JavaScript.

What Can JavaScript Do?

1. Your Browser has Java Script enabled by default. But If it is disabled in browser settings you will get a notice.

2. Display the Date And Time by the press of a button:

Click to display Date and Time.

Display the Date and Time Automatically. Display GMT.

3. JavaScript can change HTML attribute values.

Show Photoshop Turn off Photoshop

Turn on the light Turn off the light

JavaScript can change the style of an HTML element.

Click Me! Return

4. JavaScript can perform Math functions. Simple calculator. Enter two numbers X and Y =

X =
Y =

X + Y =
X - Y =
X * Y =
X / Y =
X ^ Y =

5. JavaScript Celsius to Fahrenheit

Insert a number into one of the input fields below:

degrees Celsius

degrees Fahrenheit

6. JavaScript Kilometers and Miles

Insert a number into one of the input fields below:

Kilometers

Miles

7. Square Root of a Positive Number. Try it

8. Find Hypotenuse of Right Triangle. Two of the Sides and the Angle between them (90 degrees) are known.

Enter Adjacent Side and Opposite Side:

Input
Adjacent Side = Opposite Side =
Results:
Hypotenuse =

An example of HTML / Javascript code: