Feb 19, 2015 · you need to call the toUpperCase functions using parentheses, aka string.charAt(i).toUpperCase() the toUpperCase method does not modify the string itself, so …

Different Kinds of Loops. JavaScript supports different kinds of loops: for - loops through a block of code a number of times; for/in - loops through the properties of an object; for/of - loops …

May 29, 2018 · I reread the definition of If Statement and this is how I understand it. Use **if** to specify a block of code to be executed, if a specified condition is true if (condition) { block of …

Oct 12, 2024 · In this article, we’ll explore how to use conditional statements and loops in JavaScript to manage the flow of your code. Conditional statements allow your JavaScript …

There are several control structures in JavaScript, including if/else statements, for loops, and while loops. In this article, we’ll go over the basics of each of these control structures and how …

Apr 10, 2025 · The for...of statement creates a loop Iterating over iterable objects (including Array, Map, Set, arguments object and so on), invoking a custom iteration hook with statements to be …

This tutorial shows you how to use the JavaScript for loop to create a loop that executes a block of code repeatedly in a specific number of times.

May 26, 2016 · Yes, it is possible to do this without a flag variable. You can emulate for … else statements using a label and a block: find: { for (var i of [0,1,2,3,4]) { if (i===num) { …

Here's the syntax of an if statement: We start with the if keyword, followed by a pair of parentheses (()). Inside these parentheses, we put an expression that is the condition to …

Loop (iterate over) an array to collect car names: The loop starts in position 0 (let i = 0). The loop automatically increments i for each run. The loop runs as long as i < cars.length. More …