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Javascript Looping Statements

Looping statements in JavaScript are constructs that allow you to repeatedly execute a block of code as long as a specified condition holds true. These statements are essential for automating repetitive tasks, iterating over collections, and performing actions multiple times.

The primary types of looping statements in JavaScript are:

This loop allows you to execute a block of code a specific number of times, controlled by an initialization, condition, and increment (or decrement) setup.


for (initialization; condition; increment/decrement) {
    // Code to execute in each iteration
}

This loop repeatedly executes a block of code as long as a specified condition is true.


while (condition) {
    // Code to execute while the condition is true
}

Similar to the while loop, this loop executes the block of code first and then checks the condition. It ensures that the code within the loop executes at least once.


do {
    // Code to execute
} while (condition);

This loop is used to iterate over the properties of an object. It's not recommended for iterating over arrays due to potential issues.


for (property in object) {
    // Code to execute for each property
}

This loop is used to iterate over the elements of iterable objects like arrays and strings.


for (element of iterable) {
    // Code to execute for each element
}

Looping statements are crucial for automating tasks that involve repeating a set of instructions, such as processing arrays, traversing data structures, and performing calculations iteratively. They help make code more concise, readable, and efficient by encapsulating repetitive logic.