Dealing with files can be cumbersome since you will have to manage them using server side scripts. At least there are ways to find the type or extension of the files you are dealing with, using client side scripts like JavaScript and JQuery.
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Excel is a very useful application for managing data on a spreadsheet. Its VBAtools and functions have made it more dynamic and appealing. Macros can make the contents in the file more meaningful and organized.
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Sometimes we need find child element id’s inside another element. Traditionally, a “DIV” used as a container and there can be other DIV elements inside it. You can place these elements during the designing of the web page or create and insert in it dynamically.
Using JQuery ".map()" function, we can extract the child id's with out even running a single loop.
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