es6 reduce function code example
Example 1: reduce javascript
const sum = array.reduce((accumulator, element) => {
return accumulator + element;
}, 0);
const product = array.reduce((accumulator, element) => {
return accumulator * element;
}, 1);
Example 2: javascript reduce function
var numbers = [175, 50, 25];
document.getElementById("demo").innerHTML
= numbers.reduce(myFunc);
function myFunc(total, num) {
return total - num;
}
Example 3: reduce javascript
const sum = array.reduce((accumulator, element[, idx[, sourceArray]]) => {
return accumulator + idx * 2 + element
}, 0);
Example 4: javascript, reduce
const myReduce = myArray.reduce((acc, item) => {
acc += item
})