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We use try and catch for error handling in JavaScript. But there is another keyword that is used with try and catch. The keyword is finally. When we...
What is a callback function? A callback is a function that is passed as an argument to another function. This method is used to execute a...
Window Object For understanding the concept of BOM and DOM first we need to understand about window object. All objects, functions, and variables are...
The Data type is an important concept in programming. We must be able to know about the data type of the variables for applying various operations on...
Introduction map, filter and reduce all these methods are only applicable upon an array. These methods are used for looping on the array one after the...
Introduction The semantic tags are the tags that defines its working by its name itself. It is a newly added feature in HTML5. When semantic tags were...