JAVASCRIPT

loop through list js

var arr = ["f", "o", "o", "b", "a", "r"]; 
for(var i in arr){
	console.log(arr[i]);
}

iterate through array javascript

const array = ["one", "two", "three"]
array.forEach(function (item, index) {
  console.log(item, index);
});

iterate through list javascript

const array = ["hello", "world"];

for (item of array) {
	//DO THIS
}

iterate through array js

let arbitraryArr = [1, 2, 3];
// below I choose let, but var and const can also be used 
for (let arbitraryElementName of arbitraryArr) {
  console.log(arbitraryElementName);
}

javascript best way to iterate over array

[1,2,3,4,"df"].forEach((value, index) => console.log(index,value));
output
0 1
1 2
2 3
3 4
4 'df'

js looping through array

let Hello = ['Hi', 'Hello', 'Hey'];

for(let i = 0; i < Hello.length; i++) {
    console.log(Hello[i]); // -> Hi Hello Hey
}

JS iterate over an array

const beatles = ["paul", "john", "ringo", "george"];

beatles.forEach((beatle) => {
  console.log(beatle.toUpperCase());
});

javascript best way to loop through array

var len = arr.length;
while (len--) {
    // blah blah
}

iterate over array javascript

var txt = "";
var numbers = [45, 4, 9, 16, 25];
numbers.forEach(myFunction);

function myFunction(value, index, array) {
  txt = txt + value + "<br>";
}

JS iterate over an array

const beatles = [ "john", "paul", "ringo", "george"];

beatles.forEach((beatle) => {
  console.log(beatle);
});