JavaScript - Revision history

Suhridk at 11:34, 6 December 2012

2012-12-06T11:34:01Z

Suhridk at 11:14, 6 December 2012

2012-12-06T11:14:11Z

Suhridk at 11:10, 6 December 2012

2012-12-06T11:10:54Z

Suhridk at 10:26, 6 December 2012

2012-12-06T10:26:04Z

Suhridk at 10:20, 6 December 2012

2012-12-06T10:20:22Z

Suhridk at 10:15, 6 December 2012

2012-12-06T10:15:05Z

Suhridk at 10:13, 6 December 2012

2012-12-06T10:13:38Z

Suhridk: Created page with "= Intro = * JS is a cross-platform object oriented scripting language. * Is designed for easy embedding in other products and applications, such as web browsers."

2012-12-06T10:12:19Z

Created page with "= Intro = * JS is a cross-platform object oriented scripting language. * Is designed for easy embedding in other products and applications, such as web browsers."

New page

= Intro =

* JS is a cross-platform object oriented scripting language.
* Is designed for easy embedding in other products and applications, such as web browsers.

← Older revision		Revision as of 11:34, 6 December 2012
Line 22:		Line 22:
	* Local variables belong to the defined function.		* Local variables belong to the defined function.
	* Global variables belong to the global object. In web pages, the global object is ''window''.		* Global variables belong to the global object. In web pages, the global object is ''window''.
		+	* An object literal is a list of zero or more pairs of property names and associated values of an object, enclosed in curly braces ({}).
		+
		+	<syntaxhighlight lang="javascript">
		+
		+	var cc = "1300cc";
		+
		+	function carTypes(name) {
		+	if(name == "Vista") {
		+	return "Tata Indica Vista";
		+	}
		+	}
		+
		+	var car = {myCar : "Vista", getCar : carTypes("Vista"), engine : cc};
		+
		+	console.log(car.myCar);
		+	console.log(car.getCar);
		+	console.log(car.engine);
		+
		+	</syntaxhighlight>

← Older revision		Revision as of 11:14, 6 December 2012
Line 19:		Line 19:
	</syntaxhighlight>		</syntaxhighlight>

−	* Variable scope : only two, local and global.	+	* Variable scope : only two, local and global. No block scope!
		+	* Local variables belong to the defined function.
		+	* Global variables belong to the global object. In web pages, the global object is ''window''.

← Older revision		Revision as of 11:10, 6 December 2012
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	</syntaxhighlight>		</syntaxhighlight>
		+
		+	* Variable scope : only two, local and global.

← Older revision		Revision as of 10:26, 6 December 2012
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	* '''Client-side''' JavaScript extends the core language by supplying objects to control a browser and its Document Object Model (DOM). e.g, client-side extensions allow an application to place elements on an HTML form and respond to user events such as mouse clicks, form input, and page navigation.		* '''Client-side''' JavaScript extends the core language by supplying objects to control a browser and its Document Object Model (DOM). e.g, client-side extensions allow an application to place elements on an HTML form and respond to user events such as mouse clicks, form input, and page navigation.
	* JS as opposed to say, Java, is loosely typed.		* JS as opposed to say, Java, is loosely typed.
		+
		+	= Values, Variables and Literals =
		+
		+	* JS is dynamically typed. So, the following is possible:
		+
		+	<syntaxhighlight lang="javascript">
		+
		+	var ans = 42;
		+
		+	ans = "Forty two";
		+
		+	</syntaxhighlight>

← Older revision		Revision as of 10:20, 6 December 2012
Line 5:		Line 5:
	* '''Core''' JS consists of a set of objects e.g. Array, Date and Math and language elements such as operators and control structures.		* '''Core''' JS consists of a set of objects e.g. Array, Date and Math and language elements such as operators and control structures.
	* '''Client-side''' JavaScript extends the core language by supplying objects to control a browser and its Document Object Model (DOM). e.g, client-side extensions allow an application to place elements on an HTML form and respond to user events such as mouse clicks, form input, and page navigation.		* '''Client-side''' JavaScript extends the core language by supplying objects to control a browser and its Document Object Model (DOM). e.g, client-side extensions allow an application to place elements on an HTML form and respond to user events such as mouse clicks, form input, and page navigation.
		+	* JS as opposed to say, Java, is loosely typed.

← Older revision		Revision as of 10:15, 6 December 2012
Line 4:		Line 4:
	* Is designed for easy embedding in other products and applications, such as web browsers.		* Is designed for easy embedding in other products and applications, such as web browsers.
	* '''Core''' JS consists of a set of objects e.g. Array, Date and Math and language elements such as operators and control structures.		* '''Core''' JS consists of a set of objects e.g. Array, Date and Math and language elements such as operators and control structures.
		+	* '''Client-side''' JavaScript extends the core language by supplying objects to control a browser and its Document Object Model (DOM). e.g, client-side extensions allow an application to place elements on an HTML form and respond to user events such as mouse clicks, form input, and page navigation.

← Older revision		Revision as of 10:13, 6 December 2012
Line 3:		Line 3:
	* JS is a cross-platform object oriented scripting language.		* JS is a cross-platform object oriented scripting language.
	* Is designed for easy embedding in other products and applications, such as web browsers.		* Is designed for easy embedding in other products and applications, such as web browsers.
		+	* '''Core''' JS consists of a set of objects e.g. Array, Date and Math and language elements such as operators and control structures.