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
| 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
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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