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
});for loop on a array
var array = [1, 2, 3, 4, 5];
// made an array
for (var i = 0; array[i]; i++) // browse your array with this simple condition on index
console.log('element '+i+' = '+array[i]);
//output:
element 0 = 1
element 1 = 2
element 2 = 3
element 3 = 4
element 4 = 5javascript loop through array
const numbers = [1, 2, 3, 4]
numbers.forEach(number => {
console.log(number);
}
for (let i = 0; i < number.length; i++) {
console.log(numbers[i]);
}javascript loop through array
var myStringArray = ["Hello","World"];
var arrayLength = myStringArray.length;
for (var i = 0; i < arrayLength; i++) {
console.log(myStringArray[i]);aegweg
//Do something
}for in loop javascript
function diagonalDifference(arr) {
// Write your code here
// return (arr); 11,2,4,4,5,6,10,8,-12
let n = arr.length;
let pri,sec = 0;
pri = sec = 0; //initialize both diagonal sum to 0
for (let i= 0; i < n; i++) {
//console.log( "PRI(arr)= ", i,i);
//console.log( arr[i][i]);
//console.log( "SEC(arr)= ", i,n-i-1);
//console.log( arr[i][n-i-1]);
pri += arr[i][i];
sec += arr[i][n - i - 1];
}
// return |x| is the absolute value of x
if(pri==sec){
return (0);
}else {
if (pri>sec){
return (pri-sec);
}else{
return (sec-pri);
}
}
}Copyright © 2021 Codeinu
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