foreach get index code example

Example 1: for of get index

for (const v of ['a', 'b', 'c']) {
  console.log(v)
}

// get index
for (const [i, v] of ['a', 'b', 'c'].entries()) {
  console.log(i, v)
}

Example 2: index in foreach c#

foreach (var item in Model.Select((value, i) => new { i, value }))
{
    var value = item.value;
    var index = item.i;
}

//or 

foreach ((MyType val, Int32 i) in Model.Select((value, i) => ( value, i )))
{
    Console.WriteLine("I am at index" + i + " and I can find the value on val");
}

Example 3: javascript foreach index

users.forEach((user, index)=>{
	console.log(index); // Prints the index at which the loop is currently at
});

Example 4: forEach index

const array1 = ['a', 'b', 'c'];

array1.forEach((element, index) => console.log(element, index));

Example 5: how to get foreach index c#

// foreach with a "manual" index
int index = 0;
foreach (var item in collection)
{
    DoSomething(item, index);
    index++;
}

// normal for loop
for (int index = 0; index < collection.Count; index++)
{
    var item = collection[index];
    DoSomething(item, index);
}

Example 6: js get index from foreach

var myArray = [123, 15, 187, 32];

myArray.forEach(function (value, i) {
    console.log('%d: %s', i, value);
});

// Outputs:
// 0: 123
// 1: 15
// 2: 187
// 3: 32