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JavaScript - remove undefined values from array
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In this article, we would like to show you how to remove undefined values from an array in JavaScript.
In this example, we use filter() method to remove undefined values from array.
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let array = [1, 2, undefined, 3, undefined, 4];2
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array = array.filter((element) => element !== undefined);4
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console.log(array); // [ 1, 2, 3, 4 ]
