Javscript

I have learnt java script in 5th semester, 2011. My tutor was Mr.Ugyen Wangchuk and i found it was very effective and important, because through java script we can develop webpage. i have learnt following stuffs: 

 

 

Definition of JavaScript (JavaScript is a programming language used to make web pages interactive.JavaScript is the most popular scripting language on the internet, and works in all major browsers, such as Internet Explorer, Firefox,  Opera, and Safari.) 

 

Method and Properties of each objects ( Example:

 Array Object Properties

Property	Description
length	Sets or returns the number of elements in an array

Array Object Methods

Method	Description
concat()	Joins two or more arrays, and returns a copy of the joined arrays
indexOf()
join()	Joins all elements of an array into a string
pop()	Removes the last element of an array, and returns that element
push()	Adds new elements to the end of an array, and returns the new length
reverse()	Reverses the order of the elements in an array
shift()	Removes the first element of an array, and returns that element
slice()	Selects a part of an array, and returns the new array
sort()	Sorts the elements of an array
splice()	Adds/Removes elements from an array

How to create buttons. ClICK HERE

To find areas of square, rectangle,triangle and circle.ClICK HERE

Color change: Example

Moving object:Example 

Choose the correct answer and press OK.

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