Tech Junkie Blog - Real World Tutorials, Happy Coding!: JavaScript Array Methods : filter() Method

Wednesday, December 15, 2021

JavaScript Array Methods : filter() Method

The filter() method returns the elements of the array that satisfies the function that is passed into the method.  If the function returns true the element is added to the filtered array, else it is ignored.

Let's say we only want to buy oil when the prices drops below $72, so we will only return an array element where the prices below $72

        var oilPrices = [70.15, 69.50, 71.23, 74.32, 76.99];

        var lowPrices = oilPrices.filter(function (value) { return value < 72 });


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