how to iterate array of array in javascript code example

Example 1: loop through an array javascript

let array = ['Item 1', 'Item 2', 'Item 3'];

// Here's 4 different ways
for (let index = 0; index < array.length; index++) {
  console.log(array[index]);
}

for (let index in array) {
  console.log(array[index]);
}

for (let value of array) {
  console.log(value); // Will log value in array
}

array.forEach((value, index) => {
  console.log(index); // Will log each index
  console.log(value); // Will log each value
});

Example 2: javascript code to loop through array

var colors = ["red","blue","green"];
for (var i = 0; i < colors.length; i++) {
    console.log(colors[i]);
}

Example 3: how to iterate array in javascript

array = [ 1, 2, 3, 4, 5, 6 ]; 
   //set variable//set the stop count // increment each loop
for (let i = 0; i < array.length ;i++) { 
  
         array[i] //iterate through each index.
   //add the intructions you would like to perform.
    
             // add any method to array[
}

Example 4: javascript loop and array

var array = ["hello","world"];
array.forEach(item=>{
	console.log(item);
});

Example 5: how to iterate in array of array

var printArray = function(arr) {
    if ( typeof(arr) == "object") {
        for (var i = 0; i < arr.length; i++) {
            printArray(arr[i]);
        }
    }
    else document.write(arr);
}

printArray(parentArray);