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This article is about how js adds up all the values in an array. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Add all the values in the array

The reduce () method takes a function as an accumulator, and each value in the array (from left to right) starts to shrink and eventually evaluates to a value.

/ / array.reduce (function (total, currentValue, currentIndex, arr), initialValue) var nums = [1,2,3,4,5]; var sum = nums.reduce ((x, y) = > x + y); console.log (sum); / / 15 Thank you for reading! This is the end of the article on "how js adds all the values in the array". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it for more people to see!

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