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CODE EXAMPLE FOR JAVASCRIPT

how to divide equal 3 parts of an array javascript

const list = [1, 2, 3, 4, 5, 6, 7, 8, 9];
const threePartIndex = Math.ceil(list.length / 3);

const thirdPart = list.splice(-threePartIndex);
const secondPart = list.splice(-threePartIndex);
const firstPart = list;     

console.log(firstPart);  // [1, 2, 3]
console.log(secondPart); // [4, 5, 6]
console.log(thirdPart);  // [7, 8, 9]
 
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Tagged: #divide #equal #parts #array #javascript
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