4 Better Ways to use the Javascript filter method - Debug Everything

The Javascript array filter method creates a new array of elements from an existing array that meets a specified condition and you can use it in many different ways.

The Javascript array filter() creates a new array of elements from an existing array that meets a specified condition.

The filter() method once calls a provided callback function for each array element and builds a new array with all values for which the callback returns a truthy value.

A callback function is called only for array indexes that have values. Array elements that do not pass the callback test are not included in the new array. Array.filter() does not modify the original array.

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