The for and for-in loops
Explore how to use for and for-in loops in JavaScript to iterate over arrays and object properties. Understand the use of break and continue statements to manage loop flow and control execution in nested loops. Gain practical examples to enhance your ability to write efficient loops in JavaScript.
We'll cover the following...
We'll cover the following...
The for Loop
Just as in many programming languages, the for loop provides a pretest with optional variable initialization and optional post-loop code to be executed:
Illustration #
Here is an illustration to explain the above concept
Syntax #
The syntax of the for loop in JavaScript is as follows:
Example #
This example shows the usage of a for loop:
The initialization, condition, and post_loop_expression are all optional, so you can create an infinite loop by omitting all of them:
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