Thursday 31 December 2015

Java Script

Last Post was done with HTML,CSS .

Let Begin with Java Script


JAVA SCRIPT
 
 Why we need to study java script ?

 We learnt about HTML which is used to define the content of web pages
 And  CSS to specify the layout of web pages,now
 JavaScript to program the behavior of web pages
 This tutorial is about JavaScript.

 > Method to use Javascript in HTML : getElementById().

In This example uses the method to "find" an HTML element (with id="demo"), and changes the element content (innerHTML) to "Hello JavaScript":

Example

document.getElementById("demo").innerHTML = "Hello JavaScript";

 ( Notice the capital and small letters)


> Method to use Javascript in HTML,form of CSS: getElementById().

Example

document.getElementById("demo").style.fontSize = "20px";
 
 
 
 
The SCRIPT Tag :
 
 
In HTML, JavaScript code must be inserted between <script> and </script> tags.

Example

<script>
document.getElementById("demo").innerHTML = "My First JavaScript";
</script>
 
 
The next part will be continued in the next session of the blog...!!