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  In splice(), items are added/removed from an array and then returned.  The first argument specifies the array position for insertion or de...

  JavaScript provides both strict(===, !==) and type-converting(==, !=) equality comparison. The strict operators take type of variable in c...

  You can delete a cookie by setting the expiry date as a passed date. You don't need to specify a cookie value in this case. For exampl...

  There are two possible ways to create a component. i) Function Components: This is the simplest way to create a component. Those are pure ...

  Memoization is a programming technique that attempts to increase a function’s performance by caching its previously computed results. Each...

  The react-dom package provides DOM-specific methods that can be used at the top level of your app. Most of the components are not required...