JavaScript Variable data type

These operators are used to manipulate boolean values.

These operators are used to compare data types like numbers and strings. Comparison operators generate a Boolean valu ...

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The RegExp object in JavaScript is used to represent regular expressions, which are used for ...

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The Date object in JavaScript is used to represent dates and times. Dates in JavaScript are r ...

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The function data type in JavaScript is used to define reusable blocks of code. Using functio ...

Array is a data type used to store multiple values. An array has zero-indexed elements, meaning each element is store ...

The object type is one of the basic data types in JavaScript and represents a complex data structure that consists of ...

Japanese version.

Symbol is a new data type introduced in ECMAScript 6 (ES6) that is used to represent a unique ...

Includes an explanation of undefined (a special value indicating that the value is undefined) and how it differs from ...

Includes a description of null (a special value indicating that a value does not exist), its determination, and how i ...