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    Add as FriendJava Script An Introduction

    by: Albert

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    1 : Java Script, An Introduction
    2 : Java Script is one of the most pervasive languages found on the internet and World Wide Web.  Java Script is useful in making web pages more interactive. The pages can be made to react to the actions of the users in the form of special effects, both visual and otherwise. What is Java Script?
    3 : Java Script began as a joint effort between Netscape Communications Corporation and Sun Microsystems beginning in the year 1995.  Java Script is an object-based, client-side scripting language that can be used to make web pages more dynamic. Introduction to Java Script
    4 : Java Script can make use of items called objects. The use of objects is different in Java Script because, here the objects are not class based. There is no distinction between classes and instances. Object-based
    5 : Java Script is run on the client systems. Here, Java Script is run on the web browser rather than on the web server which is serving a page from the website. Client-side
    6 : A Scripting Language is very different from the conventional programming languages. One of the main differences is that a scripting language does not require a compiler to run the program. In a scripting language the code is interpreted as it is being loaded. This saves the time of the client. Scripting Language
    7 : Script Tags are used to trigger the beginning and ending of a scripting language in a HTML document. In the most basic forms, these scripting tags are seen as just any other HTML tags. Script Tags
    8 : External Script file is a text file that contains Java Script code. This is external script is used to run the code on a multiple pages. This is a time saving act for the client. External Scripts
    9 : A Variable is used to hold value. A variable’s actual value can be altered at any point in time. Variables are used when the coder does not know the kind of values that will be used in the script. Variables
    10 : Variables can save time in writing and updating the scripts. Variables include data types such as null value, number values, Boolean values, string values, etc. Variables Contd…
    11 : A Function can be defined as smaller script within a larger script. Functions are particularly useful for performing small tasks or a series of tasks. Functions
    12 : Functions are useful in dividing the whole script into smaller parts so that each task is handled. This makes it easier to run the whole script and debug it quickly and easily. Functions Contd…
    13 : For more details on Java Script visit our websites at and

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