Indian Open Articles

Javascript Tutorial to find a number is even or odd

Javascript Tutorial to find a number is even or odd
In this tutorial i am going  to solve an assignment "Find a number even or odd using pure javascript" . We are using HTML5, you can use HTML 4 , code will run fine. First We have to check the give input is string or integer, so we use parseInt() function then created a variable check , check =...

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Validating a form using pure javascript

Validating a form using pure javascript
Today I am going to describe how to to validate an html form using javascript. If you are using jquery and modern browser then this can be very easy but what if you need support for old browser and you want use pure javacript. Assignment Write an html page with form that validates...

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Javascript Tutorial Programme to calculate Factorial of any number

Javascript Tutorial Programme to calculate Factorial of any number
In this tutorial we are going to write a simple javascript programme which can calculate factorial of any number . First we have to know that formula how to find out factorial. Factorial of 3 = 3 * (3-1) * (3-2) = 6 or 3! = 3*2*1=6 Formula : n! =...

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