javascript function return boolean

Description of Boolean Type in JavaScript systems, javascriptboolean Previous The Boolean type can be the simplest of the three packaging objects: Number, String, and Boolean. Number and String objects have a large Number of instance attributes and

This article mainly introduces the knowledge points of Boolean objects in javascript, explains the basic usage of Boolean objects, and provides a detailed introduction to the Code. If you are interested, you can refer Syntax for creating a Boolean

The Boolean object represents two values: & quot; true & quot; or & quot; false & quot ;. Syntax for creating a Boolean object: newBoolean (value); // constructor Boolean (value ); // The value of the conversion function parameter is stored by a

constructor functionNew Boolean (value)constructor functionBoolean (value)Conversion function parameter The value that is stored by the Boolean object or the value to be converted to a Boolean value returns worth as a constructor (with operator new)

Boolean object Boolean indicates two values: "true" or "false ". Syntax for creating a Boolean object: New Boolean (value); // Constructor Boolean (value); // Conversion Function Parameters The parameter value is the value stored by a Boolean object

to create the syntax for a Boolean object:     New Boolean (value);   //constructor  & nbsp;  Boolean (value);       //conversion function     parameter value The value held by a Boolean object or the value to convert to a Boolean value.

Article Author: TyanBlog: noahsnail.com |  CSDN | Jane book 1. The return value of JavaScript The return values in JavaScript are grouped into four categories: Return return false; return true; return variable (variable); These four return values

I. type conversion 1. Convert to string ECMAScript's Boolean values, numbers, and string values are interesting because they are pseudo objects, which means they actually have attributes and methods.For example:Js CodeVar sColor = "blue ";Alert

Directory1 History 2 clarifying misunderstandings 3 basic concepts 4 features 5 different from Java 6 development toolsHistoryProbably in 1992, a company called Nombas began developing an embedded scripting language called C-minus (C-minus-minus, or

One, JavaScript data typeThe data types of JavaScript fall into the following categories:Five simple data types: Undefined,null,boolean,string,number.A complex data type: Object.Second, typeof operatorHere are a few short stories to summarize it,