Answers for "reduce in reactjs"

8

js sum of array

[1, 2, 3, 4].reduce((a, b) => a + b, 0)

// Output: 10
Posted by: Guest on July-26-2020
2

reduce()

const array1 = [1, 2, 3, 4];
const reducer = (accumulator, currentValue) => accumulator + currentValue;

// 1 + 2 + 3 + 4
console.log(array1.reduce(reducer));
// expected output: 10

// 5 + 1 + 2 + 3 + 4
console.log(array1.reduce(reducer, 5));
// expected output: 15
Posted by: Guest on January-17-2021

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