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add examples for Promises and async-await
Sascha Schulz
2023-05-23
95aa1eb63a9a69e3e4a3de2699b78cb1903cdf88
[public/web-development/examples.git]
/
templates
/
007-js
/
array-sum.js
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const a = [1, 2, 4, 8];
Array.prototype.sum = function() {
let sum = 0;
for (let number of this) {
sum += number;
}
return sum;
}
console.log(a.sum());