Watch the entire #JavaScriptJanuary series from the beginning!

The JavaScript filter() method creates an array filled with all array elements of another array that pass a test, provided as a function. Filter() does not execute the function for array elements without values, and it does not change the original array.

The filter() method accepts a function callback and that function has access to the current element, index, and the entire original array.

A common use case would be filtering objects. If we have an app or website we would want to provide a way for the user to filter items.

I’ll be releasing a new video every day in January! Stay tuned..


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