javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});javascript foreach index
users.forEach((user, index)=>{
console.log(index); // Prints the index at which the loop is currently at
});foreach jas
const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));forEach index
const array1 = ['a', 'b', 'c'];
array1.forEach((element, index) => console.log(element, index));for each array javascript
var fruits = ["apple", "orange", "cherry"];
fruits.forEach(getArrayValues);
function getArrayValues(item, index) {
console.log( index + ":" + item);
}
/*
result:
0:apple
1:orange
2:cherry
*/forEach
const arraySparse = [1,3,,7]
let numCallbackRuns = 0
arraySparse.forEach((element) => {
console.log(element)
numCallbackRuns++
})
console.log("numCallbackRuns: ", numCallbackRuns)
// 1
// 3
// 7
// numCallbackRuns: 3
// comment: as you can see the missing value between 3 and 7 didn't invoke callback function.Copyright © 2021 Codeinu
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