javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})array.foreach
const arr = [0, 3, "hola", "hello", ";", true, [3, 6, 1]];
arr.forEach((element, index) => {
console.log(element, index);
});
//output:
// 0 0
// 3 1
// hola 2
// hello 3
// ; 4
// true 5
// [3, 6, 1] 6foreach jas
const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));js for each item in array
const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));
// expected output: "a"
// expected output: "b"
// expected output: "c"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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