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Dr. Charles Simonyi is the Father of Modern Microsoft Excel                                           JavaScript was originally developed by Brendan Eich of Netscape under the name Mocha, later LiveScript, and finally renamed to JavaScript.                                           The word "Biology" is firstly used by Lamarck and Treviranus                                           Hippocrates (460-370 bc) is known as father of medicine.                                           Galene, 130-200 is known as father of Experimental Physology                                           Aristotle (384-322 BC) is known as Father of Zoology because he wrote the construction and behavior of different animals in his book "Historia animalium"                                           Theophrastus(370-285 BC) is known as father of Botany because he wrote about 500 different plants in his book "Historia Plantarum".                                           John Resig is known as Father of Jquery -                                          HTML is a markup language which is use to design web pages. It was invented in 1990 by Tim Berners-Lee.                                                                The Google was founded by Larry Page and Sergey Brin.                                                                Rasmus Lerdorf was the original creator of PHP. It was first released in 1995.                                                               Facebook was founded by Mark Zuckerberg                                                               Bjarne Stroustrup, creator of C++.                                                                Dennis Ritchie creator of C                                                                                                                              James Gosling, also known as the "Father of Java"                                          At 11.44%, Bihar is India's fastest growing state                                          Father of HTML -Tim Berners Lee                                          orkut was created by Orkut Büyükkökten, a Turkish software engineer                    Photoshop: It came about after Thomas Knoll, a PhD student at the University of Michigan created a program to display grayscale images on a monochrome monitor which at the time was called 'Display'.

JavaScript


What is JavaScript?
JavaScript is scripting language used for client side scripting. JavaScript developed by Netscape in 1995 as a method for validating forms and providing interactive content to web site. Microsoft and Netscape introduced JavaScript support in their browsers.


Benefits of JavaScript
Following are the benefits of JavaScript.
  • associative arrays
  • loosely typed variables
  • regular expressions
  • objects and classes
  • highly evolved date, math, and string libraries
  • W3C DOM support in the JavaScript
Disadvantages of JavaScript
  • Develo
  • per depends on the browser support for the JavaScript
  • There is no way to hide the JavaScript code in case of commercial application

Introduction
Document.write
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If Statement is Java

<html>
<head>
<script language="javascript">
var date = new Date();
var hour = date.getHours();

if(hour <= 10){
document.write("<b>Good Morning</b>");
}

if(hour >= 11 && hour <=14){
document.write("<b>Good Afternoon</b>");
}

if(hour >= 15 && hour <=18){
document.write("<b>Good Evening</b>");
}

if(hour >= 19){
document.write("<b>Good Night</b>");
}
</script>
</head>

<body>
<p>
If time on your pc is less then 10AM then you will see the Good Morning Message.<br>
If time on you PC is from 11AM to 2PM then you will get the Good Afternoon Message.<br>
If time on you PC is from 3PM to 6PM then you will see Good Evening Message.<br>
If time on you PC is after 6PM then you will see Good Night Message.
</p>
</body>
</html>




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