Thread by @mujeeb0147

JavaScript Looping Array Elements🚀(Thread).

1. The for loop:

for loop is used when you want to execute a block of code as long as a specified condition is true.

Syntax :
Examples:

2. for Each:
The forEach() method calls a function (a callback function) once for each array element.

Syntax :
Example:

Note:- the function takes 3 arguments:

The item value.
The item index.
The array itself.

The example below uses only the value parameter.

3. for...of:
The for...of statement creates a loop Iterating over iterable objects , invoking a custom iteration hook with statements to be executed for the value of each distinct property.

Syntax:
Example:

4. for...in:

The for...in statement loops over all of an object's enumerable properties that are keyed by strings (ignoring those keyed by Symbols), including inherited enumerable properties.
Syntax:
Example:

5. map :
The map() method will iterate through the Array elements individually and it will perform some Operations.

Operations might be: Printing, Finding the length of the String, Concatenation, etc.

The method creates a new array by performing a function on each array element

The map() method does not execute the function for array elements without values.

The map() method does not change the original array.

Example:

6. reduce()
The reduce() method runs a function on each array element to produce (reduce it to) a single value.
The reduce() method works from left to right in the array.
The reduce() method does not reduce the original array.

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