typeof object

The typeof in JavaScript is actually very complicated. It can be used to do many things, but it also has a lot of weird performances. This article lists its usage and points out the existing problems and solutions. The premise of reading this

1) Basic Conceptsa) Statement (statement) is the action that is performed to accomplish a task, with a semicolon ending with a semicolon representing the end of the statement. such as: var a = 1;b) Expression , which is a formula for getting the

The typeof operator returns a string that is used to represent the data type of the expression.Possible strings are: "Number", "string", "Boolean", "Object", "function", and "undefined".Common return Value Description An expression

For details about _ proto _ and prototype in javascript, __proto_prototype _ Proto _ is the internal prototype, and prototype is the constructor prototype (the constructor is actually a function) The prototype of the constructor is an object. So

1. typeof operator. For Function, String, Number, and Undefined objects, there is no problem, but the objects for Array are useless:Js CodeCopy codeThe Code is as follows:Alert (typeof null); // "object"Alert (typeof []); // "object" 2. instanceof

"6" Basic Package Type3 Special Reference types: Boolean, number, String.Whenever a primitive type value is read, the background creates an object of the corresponding basic wrapper type, allowing us to invoke some methods to manipulate the Data.var

Details about prototype and prototype chain in JavaScript -- Item15 Those who have used JavaScript must be familiar with prototype. However, this makes it difficult for beginners to understand that a function has a prototype attribute, you can add

This article abstract: http://www.liaoxuefeng.com/In the JavaScript world, everything is an object.Some objects, however, are not the same as other objects. To distinguish the type of an object, we use the typeof operator to get the type of the

The original copyright of this article belongs to Csdn Janeky all. Reprint please specify the original author and source, to show respect. JanekyOriginal: http://blog.csdn.net/janeky/article/details/17652021If this article is helpful to you, stay

?? Recently in learning shader feeling shader language, grammatical strange, assuming every time you start writing shader must be a painful thing. It is assumed that a standard set of shader templates can be defined locally, so that when we need to

This method is not allowed under iOS and can only be used under Android. It is also very convenient to use.1, first create a C # project, the reference to the UnityEngine.dll in Unity's installation directory to find it2, put the compiled DLL into

1. Data typeJS data type Total 6 kindsrespectively:Numeric, String, Boolean, Undefind,null, object the most basic data types are 3 kinds: numeric, String, and Boolean objects can be divided into 3 subtypes: narrow objects, arrays, functionsnarrow

JavaScript Learning record day9-Standard object[TOC]In the JavaScript world, everything is an object.Some objects, however, are not the same as other objects. To distinguish the type of an object, we use the typeof operator to get the type of the

In a Unity project, the release package itself does not necessarily include all asset (translated as assets or components), others can be published separately as. Unity3d, and then executed from local/remote loading by the program, which is not

http://blog.csdn.net/janeky/article/details/17652021In the operation of the hand tour, updating resources is not the least. Resource management The first step is resource packaging. Traditional packaging can be made into a preset prefab of all

1. Data typeJavaScript has a total of six data types. (ES6 added a value for the seventh symbol type) Value (number) Strings (String) Boolean Value (Boolean) Undefined Null Objects (object) 2. Data type

Using system.collections;using system.collections.generic;using unityengine;using Unityeditor;public class exportassetbundles:monobehaviour{//Add menu in Unity Editor [MenuItem ("Assets/build assetbundle from Selection")] static void Exportresource

From: http://blog.sina.com.cn/s/blog_471132920101gz8z.htmloriginal articles should be reproduced please specify: Reproduced from the Wind Yu Chong Unity3d Tutorial Collegeassetbundles First Lecture: basic useAssetbundles is exporting the assets you

Tribute to the original http://blog.csdn.net/janeky/article/details/17652021In the operation of the hand tour, updating resources is not the least. Resource management The first step is resource packaging. Traditional packaging can be made into a

1. What is ArrayListArrayList is the legendary dynamic array, which, in MSDN parlance, is a complex version of array that provides some of the following benefits:Dynamic increase and decrease of elementsImplements the ICollection and IList