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JavaScript - split array into chunks
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In this article, we would like to show you how to split array into chunks using JavaScript.
Quick solution:
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const array = [1, 2, 3, 4, 5, 6, 7];2
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const chunkSize = 3;4
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for (let i = 0; i < array.length; i += chunkSize) {6
const chunk = array.slice(i, i + chunkSize);7
console.log(chunk);8
}
In this example, we create a reusable arrow function that splits the array into chunks with given chunkSize.
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const splitArray = (array, chunkSize) => {2
for (let i = 0; i < array.length; i += chunkSize) {3
const chunk = array.slice(i, i + chunkSize);4
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// Do something with chunks e.g:6
console.log(chunk);7
}8
}9
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// Usage example:12
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const array = [1, 2, 3, 4, 5, 6, 7]14
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splitArray(array, 3);Note:
The last chunk's size may be different than chunkSize. Its size is equal to the number of the remaining elements.
