JavaScript Array Object

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Array is an group of element which is stored in a single object variable. If you have list of values of same type, then all the values can be stored in a array object with the index pointing to each value. All the elements in the array would be in the same type. The values […]

JavaScript Boolean Object

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The boolean object is used to represent the boolean value that is true or false. If the value is 0, -0, null, false, “”, undefined, NaN then it is considered as false value. Syntax for Boolean Object Following is the syntax to define Boolean variables using Javascript. Boolean Properties Properties Description constructor It is used to […]

Eclipse Tips : Type Filters in Eclipse

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This tutorial explains one of the cool feature in Eclipse, that is Type Filters to filter the suggestions listed as autocomplete for your object. If you type a class name with dot, Eclipse would suggest the list of methods in that class or object reference. Typically it retrieves all the methods from the super classes. […]

Eclipse Tips : Block Selection in Eclipse (ALT + SHIFT + A)

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There are several awesome features hidden in the Eclipse IDE which helps the programmers to do the coding more efficiently. One of the short cut is to block select the text and modify it easily. If you have multiple lines of text which are looking uniform and required similar changes for each line, then this […]

JavaScript – Difference Between Two Dates

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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 […]

JavaScript Random Number

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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 […]

JavaScript InnerHTML

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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 […]

JavaScript Prototype

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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 […]

Number Rounding in JavaScript

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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 […]

JavaScript Debugging

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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 […]

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