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JavaScript – Difference Between Two Dates

April 10, 2014 by Krishna Srinivasan Leave a Comment

Let us see an example on how calculate difference between dates using Javascript. First write a HTML code with Javascript as below: The above program is used to calculate the days of difference between two dates . we have set two dates to two variables in the program var d1 = new Date(“12/12/2011”); and var […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

JavaScript Random Number

April 10, 2014 by Krishna Srinivasan Leave a Comment

The random object is used to generate a random numbers in JavaScript. It generates the number from 0 to 1 by using Math.random( ) object in the program which is a method of JavaScript Math object. The Math object provides built-in-functions that perform mathematical operations. Math.random Syntax var x= Math.random( ); Math.random Example In the above example we […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

JavaScript InnerHTML

April 10, 2014 by Krishna Srinivasan Leave a Comment

The innerHTML property is used to set or retrieve the inner HTML of the element between the start and end tags of the object. Each HTML element has innerHTML property which defines both code and text between start and end tag. In most of the cases, we use this property inside a “div” tag to […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

JavaScript Prototype

April 10, 2014 by Krishna Srinivasan Leave a Comment

The prototype object is used to add property and methods to the objects. The prototype object can be used on any custom objects. Before creating a new object, prototype object has to be attached before the object name. Prototype is a global property which is present in almost all objects. The Object.prototype is used to […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

Number Rounding in JavaScript

April 10, 2014 by Krishna Srinivasan Leave a Comment

The Number rounding is used in the math object. It is used to round up the given value to its nearest value. For example, consider a decimal number 4.6 then this number can be rounded up as 5, if the value after the decimal point is less than 5 then it would be round up as […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

JavaScript Debugging

April 10, 2014 by Krishna Srinivasan Leave a Comment

Debugging is process of identifying and reducing the number of bugs or defects in the programs. There several ways to debug the JavaScript : Using JavaScript Validator JavaScript can be used to validate data in the HTML documents before sending the content to the server. Validation occur at server side when client had entered data successfully […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

JavaScript String Object

April 9, 2014 by Krishna Srinivasan Leave a Comment

The string object is used to represent a sequence of character. The string value should be written in quote then only it will consider as string otherwise it will be consider as integer. This tutorial highlights the benefits of using the JavaScript string object. Syntax of String Object String Properties Name Description constructor It is […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

How To Print Page using JavaScript

April 9, 2014 by Krishna Srinivasan Leave a Comment

Some times we would like to print some important content on the web page via printer. The JavaScript provide print () method to print contents of the current window. It implements print() function of the window object. The print() method opens print dialog box which allows to select printing options. Syntax for Window.print The print() […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

Javascript – Dynamically Loading External JavaScript or CSS File

April 9, 2014 by Krishna Srinivasan Leave a Comment

We can load external JavaScript(.js) and CSS(.cs) files on a page by giving reference in the head section of the web page. Syntax Loading JS file Following Example to show how to load external .js file The following code shows myfile.js file <script type=”text/javascript” src=”myfile.js”> tag is used to define client side script which uses […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

JavaScript Switch Statement

April 9, 2014 by Krishna Srinivasan Leave a Comment

The switch statement is same as of if/else statement, instead using multiple if/ else statement we are using switch statement. The switch statement is selection control mechanism which allows value of a variable or expression to change the flow of the execution using multiple options. There are several options to be chosen from the available ones. […]

Filed Under: JavaScript Tagged With: JavaScript Tutorials

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