what is uncaught type error in javascript

What is the data type of a variableIn variables, because the variables occupy a different space unit (the site size is not the same), but also divided into several data types, like the supermarket packaging bags, there are several different types of goods, different products using various bags. We can get the memory co

Here's what the code does today: 1. Read data from a database 2. Determine the value and process the following business logic based on the result of the decision Step1: Field read from database: Table $table_name, ID field data type is int Select Id from $table _name $id = $value [' id ']; Step2: Judgment Value: if ($id = = = 1) {...} Since the subsequent

What is the default type of variables in python? 1,Type (variable name). The output result is the type of the variable; For example>>> Type (6) 2,When declaring a variable in Python,

Part 1Compiler vs2015 VC + +.The complete error message is pasted as follows:D:\Program Files (x86) \microsoft Visual Studio 14.0\vc\include\algorithm: Error C2451: "std::_unforced" A conditional expression of type is illegalFull code:structBigger {BOOL operator() (vectorstr

Run the program times throws an exception when a call to the type "xx.xxx" is executed that conforms to the specified binding constraintXx.xxx represents a namespace. classnamespace test{//Debug discovery is caused by incorrect reference location of the file, such as when the class is initialized, the database

Data type confusion: what is an int (11 )?, Confusionint Http://everythingmysql.ning.com/profiles/blogs/data-type-confusion-what-is-an Over and over I see MERs that don't understand whatint(11)Really means. Their confusion

'=' Mailbox format is not correct '], ' Username ' = [' Type '=' User name format is incorrect ',' Number '=' User name length is incorrect '], ' Password ' = [' Type '=' Password format is incorrect '] ); Used to match whether t

1,type (variable name), the output of the result is the type of variable; For example>>> Type (6) 2, in Python variables in the declaration, do not need to specify the type of variable, the type of the variable

From: http://hi.baidu.com/hankcs/blog/item/7a5cc2080b8a2cc43ac76342.html To put it simply, it is to judge the function execution result. Com requires that all methods return an error code of the hresult type. Hresult is actually defined as a Type: typedef LONG HRESULT; The R

MySQL bit type! What better method do you have? If there are only two types of promised data in MySQL, when setting its data type, we will first think of bit, which occupies less characters, is fast, and really cool! When this data type