JavaScript if/else Statement - W3Schools
The if/else statement executes a block of code if a specified condition is true. If the condition is false, another block of code can be executed. The if/else statement is a part of JavaScript's "Conditional" …
if...else - JavaScript | MDN
Jul 8, 2025 · The if...else statement executes a statement if a specified condition is truthy. If the condition is falsy, another statement in the optional else clause will be executed.
JavaScript if Statement
In this tutorial, you will learn how to use the JavaScript if statement to execute a block when a condition is true.
JavaScript if-else - GeeksforGeeks
Jul 28, 2025 · It is a conditional statement that determines whether a specific action or block of code will run based on a condition. If the condition is true, the code executes; if false, it does not.
Conditional branching: if, - The Modern JavaScript Tutorial
To do that, we can use the if statement and the conditional operator ?, that’s also called a “question mark” operator. The if(...) statement evaluates a condition in parentheses and, if the result is true, …
JavaScript If/Else - Conditional Logic Explained - ZetCode
Apr 16, 2025 · In this article we show how to control program flow using the if and else keywords in JavaScript. The if statement executes a block of code if a specified condition is true. The else …
JavaScript if-else, else-if Explained with Real Examples
Jun 23, 2025 · Learn JavaScript if, else, and else if conditional statements with syntax, use cases, and hands-on examples for smarter logic building. Every real-world app or website makes decisions: …
JavaScript Conditionals: The Basics with Examples | JavaScript.com
Learn the different JavaScript conditional statements with full examples of each and a brief explanation of how each conditional works.
JavaScript if - W3Schools
Syntax if (condition) { // block of code to be executed if the condition is true } Note that if is in lowercase letters. Uppercase letters (If or IF) will generate a JavaScript error.
Making decisions in your code — conditionals - MDN Web Docs
Aug 18, 2025 · Basic if...else syntax looks like this: Here we've got: The keyword if followed by some parentheses. A condition to test, placed inside the parentheses (typically "is this value bigger than …