Function `printArray()` prints all the elements of a 2D array using nested for loops. function printArray(arr) { for (var i=0;i<arr.length;i++){ for(var j=0;j<arr[0].length;j++){ …

Mar 5, 2025 · This resource offers a total of 60 JavaScript conditional statements and loops problems for practice. It includes 12 main exercises, each accompanied by solutions, detailed …

Apr 8, 2025 · We will see the Top 50 JavaScript Coding questions and answers including basic and medium JavaScript coding questions and answers. In this article, we will cover everything …

Jan 28, 2020 · Here 10 simple javascript For-Loop Exercises to test your introductory level understanding of Javascript For-Loops. Use for-loops in all of your solutions below. Use the …

Sep 2, 2023 · A for loop and a forEach loop in JavaScript both iterate over elements of an array, but they differ in their usage and flexibility. A for loop is more flexible as it can be used with …

Aug 27, 2013 · You can use two variables in the loop: for (var i=1, j=0; i<6; j++, i+=j==3?1:0, j%=3) alert(i); However, it's not so obvious by looking at the code what it does. You might be …

Are you familiar with the concepts of for, while, and do-while loops in JavaScript? Let's put your looping knowledge to the test with this JavaScript Loops Quiz! Each question is multiple …

Jan 17, 2024 · Question: Explain how to use a for…of loop in JavaScript. Give an example. Answer: The for…of loop iterates over iterable objects like arrays, strings, etc. Example: let …

Apr 16, 2024 · These exercises will challenge your understanding of for, for...of, and for...in loops, enhancing your ability to manipulate arrays, strings, and objects efficiently. 1. For Loop - Sum …

Mar 14, 2025 · Top JavaScript Loop Interview Questions ### 1. What is the difference between a for loop and a while loop? A for loop is used for iterating over an array or a string, while a while …