JAVASCRIPT

javascript iterate array

var txt = "";
var numbers = [45, 4, 9, 16, 25];

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

Ways to iterate array in js

let arr = ['js', 'python', 'c++', 'dart']

// no 1
for (item of arr) {
	console.log(item);
}

// no 2
for (var item = 0; item < arr.length; item++) {
	console.log(arr[i]);
}

// no 3
arr.forEach(item=>{
	console.log(item);
})

// no 4
arr.map(item=>{
	console.log(item);
})

// no 5
var item = 0;
while (item < arr.length) {
	console.log(arr[item]);
  	item++;
}