You can use conditional statements in your code to do this. In JavaScript we have the following conditional statements: Use if to specify a block of code to be executed, if a specified condition is true; Use else to specify a block of code to be executed, if the same condition is false

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" Statements, which are used to perform different actions based …

Nov 21, 2024 · Provides a concise way to write if-else statements in a single line. Allows for multiple conditions to be checked in a hierarchical manner. This table outlines the key characteristics and use cases of each type of conditional statement.

Jan 11, 2023 · Use the logical "OR" operator, that is ||. Note that if you use string comparisons in the conditions, you need to perform a comparison for each condition: If you only do it in the first one, then it will always return true: The official ECMAScript documentation can be found here. Worth noting that || will also return true if BOTH A and B are true.

Mar 13, 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.

6 days ago · JavaScript if-else statement executes a block of code based on a condition. If the condition evaluates to true, the code inside the "if" block executes; otherwise, the code inside the "else" block, if present, executes.

The JavaScript if…else statement is used to execute/skip a block of code based on a condition. In this tutorial, we will learn about the JavaScript if…else statement with examples.

Nov 20, 2023 · The syntax of an if statement in JavaScript is straightforward. It consists of the if keyword followed by a set of parentheses containing a condition. If the condition evaluates to true, the code inside the curly braces is executed. Here is the basic syntax: if (condition) { // Code to be executed if the condition is true}

Dec 7, 2022 · 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, executes a block of code. For example:

From basic if statement examples to complex nested conditional statements, this guide covers everything you need to write clean, efficient, and maintainable code.