JavaScript Objects – methods array constructor and new object

JavaScript Objects – methods array constructor and new object

JavaScript Objects – methods array constructor and new object

In this Post We Will Explain About is JavaScript Objects – methods array constructor and new object With Example and Demo.Welcome on Pakainfo.com – Examples, The best For Learn web development Tutorials,Demo with Example! Hi Dear Friends here u can know to JavaScript Object Properties Example

In this post we will show you Best way to implement JavaScript – Objects Overview, hear for JavaScript User-Defined Objects, methods, constructor Examples with Download .we will give you demo,Source Code and examples for implement Step By Step Good Luck!.

How to create and use objects in Javascript

var employer = { 
	ename: "parag", 
	eyear: 12, 
	empgetName: function() {
						alert(this.ename); 
						} 
			  };

In the above javascript source code, employer is an one type of the Object and ename and eyear are Object both properties and simple empgetName() is the method in the Object.

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Call Object function

	employer.empgetName();

The above source code will alert – parag.

What is an Object constructor?

An object constructor is simple normally a regular expression JavaScript function or methods that makes an object wrapper for the given some value.

function employerConstructor() { 
		this.ename = "parag";
		this.eyear = 12; 
		this.empgetName = function() 
		{ alert(this.ename); 
		} 
}

How to create a New Instance from a javascript Constructor

var employer = new employerConstructor(); 
employer.empgetName(); // will alert "parag"

Literal notation in Javascript Object

 var employer = { 
		ename: "parag", 
		eyear: 12, 
		empgetName: function() 
		{ 
			alert(this.ename); 
		} 
	}; employer.empgetName(); //will alert "parag"

Object.create() in Javascript Object

You can make new objects using Javascript with Object.create() method

var employer = { 
		ename: "parag", 
		eyear: 12, 
		empgetName: function() 
		{ 
			alert(this.ename); 
		} 
	}; 
	var st = Object.create(employer); 
	st.empgetName();

Accessing Object Properties in JavaScript

You can access all the Object Properties using JavaScript using either specific the dot(.) notation or the get value bracket[] notation.

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	var employer = {}; 
	employer.ename = "parag"; // access via . notation 
	employer["eyear"] = 12; // access via [] brackets 
	alert(employer["ename"]); // will alert "parag" 
	alert(employer.eyear); // will alert 12 
	alert(employer.ename); // will alert "parag" 
	alert(employer["eyear"]); // will alert 12

Object contain another Object using JavaScript

An Object can some contain any value of data, including some other objects too. and then The following simple example shows how to a cerate Javascript Object contain other simple Object and access this properties values.

var employer = { 
	ename: "parag", 
	eyear: 12, 
	mangerDepart: { clientFename: "parag", clientlename: "shukla" } 
	}; 
		alert(employer.mangerDepart.clientFename); 
		alert(employer['mangerDepart']['clientFename']); 
		alert(employer.mangerDepart['clientFename']); 
		alert(employer['mangerDepart'].clientFename);

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