JavaScript Boolean Data Type

Manipulate Boolean In JavaScript

In JavaScript, assigning of a value will indicate the data type. Get the data type of any object using the built-in typeof function.

JavaScript has built-in functions for manipulating boolean. Some examples are true and false of a specified value.

The boolean data type represents 2 values, True or False. Any expression can be evaluated to get one of the two answers, True of False.

JavaScript Boolean Comparisons

Boolean Conditions

Sample Comparisons
Name Description Example
== Equal to. (num1 == num2)
> Greater than. (num1 > num2)
< Less than. (num1 < num2)
Name Description Example

JavaScript Manipulate Numbers Snippet

// OjamboShop.com Learning JavaScript Boolean Data Type Tutorial //
// Boolean Data Type
let name = "John";
let num1 = 5;
let num2 = 3;
console.log(Boolean(name)); // Console Prints true
console.log(Boolean(num1)); // Console Prints true
console.log((num1 > num2)); // Console Prints true

// Manipulating Boolean
console.log(Boolean(false)); // Console Prints false
console.log(Boolean(0)); // Console Prints false
console.log(Boolean("")); // Console Prints false
console.log(Boolean([])); // Console Prints true
console.log(Boolean({})); // Console Prints true

JavaScript Boolean Data Type Code
OjamboShop.com Web IDE JavaScript Boolean Data Type Code

JavaScript Boolean Data Type Result
OjamboShop.com Web IDE Displaying JavaScript Boolean Data Type Result


Usage

You can use any IDE or text editor and the web browser to compile and execute JavaScript code. For this tutorial, the OjamboShop.com Learning JavaScript Course Web IDE can used to input and compile JavaScript code for the boolean data type.

Open Source

JavaScript follows the ECMAScript standard and is licensed under the W3C Software License by web browser vendors and runtime environment vendors. This allows commercial use, modification, distribution, and allows making derivatives proprietary.

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Conclusion:

JavaScript makes it easy to use the boolean data type. Use comparisons, conditions and the built-in methods to manipulate boolean.

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