for each functions javascript
//Am goinmg to practice the next big thing, using for.each function yo tripple iontegers in an array :)
//for.each function is used to run a command on each number or string in an array
const theFigures = [2,4,5,6,7,8,9,12,23,45,68,31,90];
const afterMath = (num) => {
const theArray = [];
num.forEach((n) => {
const trippled = n*3;
theArray.push(trippled);
});
return theArray;
}
console.log(afterMath(theFigures));each javascript
function each(collection, action) {
if (Array.isArray(collection)) {
for (var i = 0; i < collection.length; i++) {
action(collection[i], i, collection);
}
} else {
for (var key in collection) {
action(collection[key], key, collection);
}
}
}Copyright © 2021 Codeinu
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