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Java script an introduction

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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.

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Java script an introduction

  1. 1. www.HelpWithAssignment.com
  2. 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. www.HelpWithAssignment.com
  3. 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. www.HelpWithAssignment.com
  4. 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. www.HelpWithAssignment.com
  5. 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. www.HelpWithAssignment.com
  6. 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. www.HelpWithAssignment.com
  7. 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. www.HelpWithAssignment.com
  8. 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. www.HelpWithAssignment.com
  9. 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. www.HelpWithAssignment.com
  10. 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. www.HelpWithAssignment.com
  11. 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. www.HelpWithAssignment.com
  12. 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. www.HelpWithAssignment.com
  13. 13.  For more details on Java Script visit our websites at http://www.helpwithassignment.com/Java- Script-Programming-Assignment-Help and http://www.helpwiththesis.com www.HelpWithAssignment.com

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