JAVASCRIPT

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 = 5

loop array

	char s1[] = "Semester 1.";	char s2[] = "Semester 2.";		if (strncmp(s1, s2, 10) == 0)		printf("Equal
");	else		printf("Not equal
"); }

arrays with for loops

// Find-Max variant -- rather than finding the max value, find the
// *index* of the max value
public int findMaxIndex(int[] nums) {
  int maxIndex = 0;  // say the 0th element is the biggest
  int maxValue = nums[0];

  // Look at every element, starting at 1
  for (int i=1; i<nums.length; i++) {
    if (nums[i] > maxValue) {
      maxIndex = i;
      maxValue = nums[maxIndex];
    }
  }
  return maxIndex;
}

Iterate Through an Array with a For Loop

var arr = [10, 9, 8, 7, 6];
for (var i = 0; i < arr.length; i++) {
   console.log(arr[i]);
}

how to loop through an array

int[] numbers = {1,2,3,4,5};
for (int i = 0; i < numbers.length; i++) {
	System.out.println(i);
}

loop array

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++;
}

loop array

BaseException
 +-- SystemExit
 +-- KeyboardInterrupt
 +-- GeneratorExit
 +-- Exception
      +-- StopIteration
      +-- StopAsyncIteration
      +-- ArithmeticError
      |    +-- FloatingPointError
      |    +-- OverflowError
      |    +-- ZeroDivisionError
      +-- AssertionError
      +-- AttributeError
      +-- BufferError
      +-- EOFError
      +-- ImportError
      |    +-- ModuleNotFoundError
      +-- LookupError
      |    +-- IndexError
      |    +-- KeyError
      +-- MemoryError
      +-- NameError
      |    +-- UnboundLocalError
      +-- OSError
      |    +-- BlockingIOError
      |    +-- ChildProcessError
      |    +-- ConnectionError
      |    |    +-- BrokenPipeError
      |    |    +-- ConnectionAbortedError
      |    |    +-- ConnectionRefusedError
      |    |    +-- ConnectionResetError
      |    +-- FileExistsError
      |    +-- FileNotFoundError
      |    +-- InterruptedError
      |    +-- IsADirectoryError
      |    +-- NotADirectoryError
      |    +-- PermissionError
      |    +-- ProcessLookupError
      |    +-- TimeoutError
      +-- ReferenceError
      +-- RuntimeError
      |    +-- NotImplementedError
      |    +-- RecursionError
      +-- SyntaxError
      |    +-- IndentationError
      |         +-- TabError
      +-- SystemError
      +-- TypeError
      +-- ValueError
      |    +-- UnicodeError
      |         +-- UnicodeDecodeError
      |         +-- UnicodeEncodeError
      |         +-- UnicodeTranslateError
      +-- Warning
           +-- DeprecationWarning
           +-- PendingDeprecationWarning
           +-- RuntimeWarning
           +-- SyntaxWarning
           +-- UserWarning
           +-- FutureWarning
           +-- ImportWarning
           +-- UnicodeWarning
           +-- BytesWarning
           +-- ResourceWarning

loop array

moment().format('MMMM Do YYYY, h:mm:ss a'); // December 5th 2021, 7:39:21 pm
moment().format('dddd');                    // Sunday
moment().format("MMM Do YY");               // Dec 5th 21
moment().format('YYYY [escaped] YYYY');     // 2021 escaped 2021
moment().format();                          // 2021-12-05T19:39:21-08:00

how to use for loops to work with array in javascript

for(let i = 0; i < myArray.length; i++){ 

javascript array looping example

var array = ['a', 'b', 'c']
array.forEach((value, index) => {
  console.log(index); // Will log each index
  console.log(value); // Will log each value
});

loop array

String.prototype.replaceAt = function (index, char) {
    return this.substr(0, index) + char + this.substr(index + char.length);
}
mystring.replaceAt(4, '')

arrays with for loops

int findSmallest(int[] values) {
  int minIndex = 0;  // start with 0th element as min
  for (int i=1; i<values.length; i++) {
    if (values[i] < values[minIndex]) {
      minIndex = i;
    }
  }
  return minIndex;
}

loop array

        
        Array
(
    [id] => 11
    [username] => Edona!!!
    [password] => password
)
    

Loop through an array

String[] fruits = {"apple", "orange", "pear"};
for(int i=0; i<fruits.length; i++)
{
System.out.println(fruits[i]);

}

loop through an array

String[] myStringArray = {"Hello", "World"};
for (String s : myStringArray) {
    // Do something
}

how to use for loops to work with array in javascript

let myArray = ["one", "two", "three", "four"];

loop array

int row 
int col  
for(row = 0; row < 2; row = row + 1) {
   for(col = 0; col < 5; col = col + 1) {
      // Inner loop body
   }
}

loop array

userNum = 3  
while (userNum > 0) {
   // Do something
  cin>> userNum 
}

loop array

<body>
    <header class="main">
      <h1>Page Title</h1>
      <nav class="top-nav">
        <ul class="channels">
          <li>This</li>
          <li>is</li>
          <li>the</li>
          <li>list</li>
        </ul>
      </nav>
    </header>
    <article>
      ...
    </article>
  </body>

array loop

let myArray = ["one", "two", "three", "four"];
for(let i = 0; i < myArray.length; i++){ 
console.log(myArray[i]);
}

loop array

$ bower install bootstrap-sweetalert

loop array

4 2
4 2
3 1

LOOP ARRAY

var firstName = 'Alice';
firstName = 'Bob';		// <- this would be fine

loop array

Sending Rest request: 1 out of: 1

loop array

###beforePreTest END###

loop array

select titulo,autor,precio,
  floor(precio) as abajo,
  ceiling(precio) as arriba
  from libros;

loop array

/**
 * !What is Hoisting --------------->
 * *Hoisting is a phenomena where we can access the variables and functions before initialization
 */
myFunc("Jassi");                   // my name is Jassi
console.log(a);                    // undefined
var a = 5;

function myFunction(a) {
  var b = `my name is ${a}`;
  console.log(b);
}

loop array

use for , map , forEeach 

LOOP ARRAY

let firstName = 'Alice';
firstName = 'Bob';

arrays with for loops

// Given an array of booleans representing a series
// of coin tosses (true=heads, false=tails),
// returns true if the array contains anywhere within it
// a string of 10 heads in a row.
// (example of a search loop)
public boolean searchHeads(boolean[] heads) {
  int streak = 0;     // count the streak of heads in a row
  
  for (int i=0; i<heads.length; i++) {
    if (heads[i]) {   // heads : increment streak
      streak++;
      if (streak == 10) {
        return true;  // found it!
      }
    }
    else {            // tails : streak is broken
      streak = 0;
    }
  }
  
  // If we get here, there was no streak of 10
  return false;
}

LOOP ARRAY

const firstName = 'Alice'
firstName = 'Bob'		 // <- this would cause an error

jaavascript loop array

Cannot GET /register

loop array

Cannot GET /WWW.google.com

loop array

dataType[] arrayRefVar;   // preferred way.
or
dataType arrayRefVar[];  // works but not preferred way.

arrays with for loops

// Find-Max variant
// Use very small number, Integer.MIN_VALUE,
// as the initial max value.
public int findMax2(int[] nums) {
  int maxSoFar = Integer.MIN_VALUE;  // about -2 billion

  // Look at every element
  for (int i=0; i<nums.length; i++) {
    if (nums[i] > maxSoFar) {
      maxSoFar = nums[i];
    }
  }
  
  return maxSoFar;
}

arrays with for loops

// Find-Max
// Given a non-empty array of ints, returns
// the largest int value found in the array.
// (does not work with empty arrays)
public int findMax(int[] nums) {
  int maxSoFar = nums[0];  // use nums[0] as the max to start

  // Look at every element, starting at 1
  for (int i=1; i<nums.length; i++) {
    if (nums[i] > maxSoFar) {
      maxSoFar = nums[i];
    }
  }
  return maxSoFar;
}

arrays with for loops

// Another way to write search that combines
// the "end of array" and "found" logic in one
// while loop. As a matter of style, we prefer
// the above version that uses the standard
// for-all loop.
public int searchNotAsGood(int[] nums, int target) {
  int i = 0;
  while (i<nums.length && nums[i]!=target) {
    i++;
  }
  // get here either because we found it, or hit end of array
  if (i==nums.length) {
    return -1;
  }
  else {
    return i;
  }
}

arrays with for loops

// Search
// Searches through the given array looking
// for the given target. Returns the index number
// of the target if found, or -1 otherwise.
// (classic search-loop example)
public int search(int[] nums, int target) {
  // Look at every element
  for (int i=0; i<nums.length; i++) {
    if (nums[i] == target) {
      return i; // return the index where the target is found
    }
  }

  // If we get here, the target was not in the array
  return -1;
}

arrays with for loops

// For-All variant
// Go through the elements backwards
// by adjusting the for-loop
public void forAllBackwards(int[] nums) {
  for (int i = nums.length-1; i>=0; i--) {
    System.out.println( nums[i] );
  }
}

arrays with for loops

// For-All
// Do something for every element
public void forAll(int[] nums) {
  for (int i=0; i<nums.length; i++) {
    System.out.println( nums[i] );
  }
}

arrays with for loops

String[] words = new String[] { "hello", "foo", "bar" };
int[] squares = new int[] { 1, 4, 9, 16 };

arrays with for loops

Account[] accounts;

// 1. allocate the array (initially all the pointers are null)
accounts = new Account[100];	

// 2. allocate 100 Account objects, and store their pointers in the array
for (int i=0; i<accounts.length; i++) {
  accounts[i] = new Account();
}

// 3. call a method on one of the accounts in the array
account[0].deposit(100);

Looping arrays with for loop

let items = ["cakes", "banana", "managoes"];
			for (let i = 0; i < items.length; i++) {
				console.log(items[i]);
			}

loop array

net/http: timeout awaiting response headers