Nov 5, 2008 · If you want string 'true' to return boolean true and string 'false' to return boolean false, then the simplest solution is to use eval(). eval('true') returns true and eval('false') returns false. Keep in mind the performance and security implications when using eval() though.

The global method Number() converts a variable (or a value) into a number. A numeric string (like "3.14") converts to a number (like 3.14). An empty string (like "") converts to 0.

Jun 18, 2022 · Currently, there are eight basic data types in JavaScript. String; Number; Boolean; null; undefined ; Objects; Symbols; BigInt

Nov 30, 2022 · In this article, you will learn how to convert a string to a boolean value using different methods in JavaScript. In case you are in a rush, here is how you can do it: If you are not in a rush, let’s understand each of the methods and lots more. The strict operator is another name for the identity operator.

Mar 6, 2025 · Boolean values can be one of two values: true or false, representing the truth value of a logical proposition. Boolean values are typically produced by relational operators, equality operators, and logical NOT (!). They can also be produced by functions that represent conditions, such as Array.isArray().

Nov 17, 2024 · We can use regular expression to convert a string to a Boolean value in JavaScript. The regular expression /^true$/i is used with the test() method to check if the string matches the pattern “true” (case-insensitive).

When adding a number and a string, JavaScript will treat the number as a string. JavaScript evaluates expressions from left to right. Different sequences can produce different results: In the first example, JavaScript treats 16 and 4 as numbers, until it reaches "Volvo".

The question and answer are about converting a string value to a Boolean whereas in your case no conversion is necessary. However if you want to support both the answer could be easily amended to: var myBool = myString === true || myString === "true";

Dec 29, 2023 · We convert a Number to Boolean by using the JavaScript Boolean() method and double NOT operator(!!). A JavaScript boolean results in one of two values i.e. true or false . However, if one wants to convert a variable that stores …

Mar 8, 2025 · In JavaScript, each value has a data type, defining its nature (e.g., Number, String, Boolean) and operations. Data types are categorized into Primitive (e.g., String, Number) and Non-Primitive (e.g., Objects, Arrays). 1. Number. The Number data type in JavaScript includes both integers and floating-point numbers.