Skip to content

JavaScript conditional statement

  • by

JavaScript conditional statements allow you to make decisions in your code based on whether a certain condition is true or false. The two most commonly used conditional statements in JavaScript are if and else.

Using an if statement in JavaScript:

The curly braces code will only be executed if the condition x > 5 is true.

let x = 10;

if (x > 5) {
  console.log("x is greater than 5");
}

Use an else statement to specify what should happen if the condition is false:

Since the condition x > 5 is false, the code inside the else block will be executed instead.

let x = 8;

if (x > 10) {
  console.log("x is greater than 10");
} else if (x > 5) {
  console.log("x is greater than 5 but less than or equal to 10");
} else {
  console.log("x is less than or equal to 5");
}

JavaScript conditional statement example

Simple example code of JavaScript Conditional Statement using If-Else Statement.

<!DOCTYPE html>
<html>
<body>
<script>
    let number = -5;

    if (number > 0) {
        console.log("The number is positive");
    } else if (number < 0) {
        console.log("The number is negative");
    } else {
        console.log("The number is zero");
    }

</script>
</body>
</html>

Output:

JavaScript conditional statement

Do comment if you have any doubts or suggestions on this JS basic topic.

Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.

OS: Windows 10

Code: HTML 5 Version

Leave a Reply

Your email address will not be published. Required fields are marked *