JavaScript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})
connect.sonveer
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});var items = ["item1", "item2", "item3"]
var copie = [];
items.forEach(function(item){
copie.push(item);
});const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));const arr = ['cat', 'dog', 'fish'];
arr.forEach(element => {
console.log(element);
});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.