The function alert(String) is undefined

sponsored links

Oracle function Daquan (string functions, math functions, date functions, logical functions, other functions)

Oracle function Daquan (string functions, math functions, date functions, logical functions, other functions) Keywords: Oracle Functions String Functions Date Functions Mathematical Functions logical function SQL functions in a single record 1.ASCII

Oracle function Daquan (string function, mathematical function, the date function, logic operation function, other functions)

SQL in single-record function 1.ASCII Returns the character corresponding to the specified decimal number; SQL> select ascii ('A') A, ascii ('a') a, ascii ('0 ') zero, ascii (' ') space from dual; AA ZERO SPACE ---- ...

correlation function mysql string handling

CONCAT(str1,str2,...) Back to the link from the parameter string. If any parameter is NULL, return NULL. Can have more than 2 parameters. A numeric argument is converted to equivalent string form. mysql> select CONCAT('My', 'S', 'QL'); -> 'MySQ

Magic JavaScript Function

Javascript today to see the relevant information for object-oriented process, it is interesting question, to list the following four ways to create function and test case: 第一种: var a = function(){}; alert(a.prototype);//[object Object] 第二种: var a = n

JS prototype example

prototype property returns a reference to the prototype object type. With the prototype property of the object's class provides a set of basic functions. A new instance of the object "inheritance" given to the object prototype operation ...

[Change] EXT object-oriented features in summary

1. Namespace: The definition of the class means Extjs code: Ext.namespace ("org.bestupon"); java code: package org.bestupon Example: Ext.namespace ("Ext.bestupon"); Ext.bestupon.Person = Ext.emptyFn; / ** * Ext.bestupon.Person = f ...

DojoChina instance methods like learning

Definition: an object can have the functions and actions. Looks like a bit like a class method.

Ext js object-oriented features

Previously learned Ext js did not notice it when the object-oriented features, today saw an article that does not care, so I sum up a bit. 1, support namespaces (Java in the concept of using a package) Ext.namespace ("Ext.ling"); / / This statem

ExtJS object-oriented

1: Support for namespaces <script type="text/javascript"> / / Define a namespace Ext.namespace ("Ext.wentao"); / / Namespace defined in a class Ext.wentao.helloworld = Ext.emptyFn; / / Create an instance of the class new Ext

Analysis of a continuous form of code assignment

What is this group which put forward such a small problem: var a={}; a.b = a = function(){} alert(a.b); //undefined The problem of a continuous assignment become somewhat complicated, slightly deformed the above var a={};var a1 = a; c = a.b = a = fun

ExtJs an object-oriented

// Namespace Ext.namespace("jefry.zte"); // Property jefry.zte.Person = Ext.emptyFn; Ext.apply(jefry.zte.Person.prototype,{ name:"xdz" }); var _person = new jefy.zte.Person(); alert(; // Class instance methods Ext.namespace("jefry.zte");

ExtJs two object-oriented

// Construct method jefry.zte.Person = function(_cfg){ Ext.apply(this,_cfg); } jefry.zte.Person.print = function(_name,_sex){ var _person = new jefry.zte.Person({name:_name,sex:_sex}); _person.print(); } Ext.apply(jefry.zte.Person.prptotype,{ print:f

Object-oriented summary of ExtJS

1: support namespaces <script type="text/javascript"> // Define a namespace Ext.namespace("Ext.wentao"); // In the namespace that defines a class Ext.wentao.helloworld = Ext.emptyFn; // Create an instance of a class new Ext.wentao.helloworld();

Javascript in a false, zero, null, undefined and empty string object

Turn E4% B8% AD% E7% 9A% 84false% E9% 9B% B6% E5% 80% BCnullundefined% E5% 92% 8C% E7% A9% BA% E5% AD% 97% E7% AC% A6% E4% B8% B2% E5% AF% B9% E8% B1% A1.html In Javascript, we often come into contact with t

JS string replace function replaces all the way

JS string replace function: Replace ("string 1", "String 2") 1. We all know JS string replace function is Replace ("string 1", "String 2"), but this function can only be the first time replacing the string 1, t

Prototype extension Array, document, String, Function, Number

Array expansion <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ""> <html xmlns=""> <head> <title> Extension Array</title> <

[Transfer] Strings String function expansion

[Url] [/ Url] String've seen the expansion of a JAVA, later to be found. Again EnFlash inside saw Strings. This class is a String extension, I had little to add. As follows: / / Import enc

C language commonly used string function Introduction

@ Function name: strdup Prototype: char * strdup (const char * s) Functions functions: string copy, the purpose of space distribution function by the function returns: a pointer pointing to a string parameter after copying instructions: src-copy sour ...

[Reprinted] String.format function uses the method introduced In JDK1.5 in, String class adds a very useful static function format (String format, Objece ... argues), various types of data can be formatted as a string and output. Which format parameter specifies the ou ...

oracle function of how memory is longer than the length of the string varchar2

For example the following function, stitching string: CREATE OR REPLACE Function translate_order_right_user_fun ( activity_instance_id_ in varchar2 default '' ) RETURN varchar2 IS return_value varchar2(4000):=''; str_length number; workitem_tmp wfs_w

String class replace () method is the understanding of function parameters

(From the help file) replace (pattern: *, repl: Object): String On string matching a specified pattern and returns a new string, which matches the first pattern is replaced with the content specified by repl. Relative to the string matching the speci

String interception function (to avoid interception of half a utf8 encoded characters)

Velocity spread /** * Interception of string * @params $string: The target string :$sublen: Intercept length */ function CutStr($string, $sublen, $start = 0, $code = 'UTF-8') { if($code == 'UTF-8') { $pa = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\x

Tidy collection of PHP string function is the interception

Process a: PHP interception Chinese string method function msubstr ($ str, $ start, $ len) { $ Tmpstr = ""; $ Strlen = $ start + $ len; for ($ i = 0; $ i <$ strlen; $ i + +) { if (ord (substr ($ str, $ i, 1))> 0xa0) { $ Tmpstr .= subs

Depth understanding of the eval function in javascript In this paper, the discovery of an appropriate title is not so easy, huh, huh, so in this note under the first two purposes of this article: (1) introduction of the eval function in javascript usage (2) how to func

Eval function in Javascript detailed explanation of

eval string generated statement can be implemented, and the SQL of the exec () similar. the use of eval occasions what is it? Sometimes we do not know in advance what sentence to be implemented only when the conditions and parameters for the implementatio

Detailed usage jQuery.extend function

jQuery's extend method achieved through different parameters of the inheritance of several different methods: 1. Extend (src), expansion of jQuery static methods. In other words, the object's properties and methods of src to copy one by one t ...

jQuery.extend function study

jQuery's extend method to achieve through different parameters of several different methods of succession: Reprinted: For later view! 1. Extend (src), expansion of the static jQuery methods. That is, th ...

Named function expressions demystified

Known function expression (Named function expressions demystified) Original Address function-expressions / (Such as translation can be found in mail to my mailbox yangliang at by Juriy "kangax" Zaytse

Learning JavaScript must-(a), let your js in the function, javascript built-in objects, this concept and not confuse the relationship between

Function is the basis for modular program design, preparation of complex Ajax applications, you must have a deeper understanding of the function. javascript function in a language different from the other, each function is as an object is the maintenance

In-depth understanding of javascript eval function (Reprinted)

Found to be an appropriate title since this is not so easy, huh, huh, so in this note under the first two purposes of this article: (1) Introduction javascript eval function in the use of (2) how to function in the implementation of the global code ► ...

Two types of global JavaScript object / function

Talking about here refers to the browser JavaScript environment, including the host environment, including. The first is ECMAScript Global Object, the second is the host environment of the global object / function. The first is a built-in core JavaSc

In-depth JavaScript 'undefined'

We know, javascript is a weakly typed language, which means that we do not explicitly define the variable data type. In fact, we can not clearly defined in the javascript data types. Var statement can only display a statement by the variable: var myv

In-depth understanding of the eval function in javascript

Reprinted from: In-depth understanding of the eval function in javascript Category: Technology Zone :2007-5-21 15:04:58 author: supNate Found to be an appropriate title since this is not so easy, huh, huh, so

Javascript array type detection: the preparation of the stronger isArray function

In the daily development, we often need to determine whether an object is an array type, the type of object in the js detected several common ways: 1, typeof operator. For Function, String, Number, Undefined These types of objects, there would be no

function object test

1. Test function object function jsObj(){ =""; =""; this.age=0; this.father = new person(); this.json = {}; this.array = ['1','2']; this.nullValue; this.methodA=function(){alert('i am methodA')}; } 2. Create a new object, traversin

jQuery function method commonly used summary

Event handling ready (fn) Code: $ (Document). Ready (function () { / / Your code here ... }); Role: it can greatly improve the response speed of web applications. By using this method, the DOM ready to be read and manipulated, immediately call your bound

JavaScript, 5 species call the function

JavaScript, 5 species call the function This article describes in detail the various Javascript function call method and its principle for understanding the function of JavaScript there is a great help! Again and again, I found that those who have bu ...

Facilitate a more general function of self-definition of Ajax

function Ajax() { var len=arguments.length; var type,url,postdata,fn; if(len<2) { alert(' No two overloads of the parameter , At a minimum, you must specify the type of request (type) And URL address !'); return; } type=arguments[0]; url=arguments[1];

js function is the closure of several written summary of

The most common: Js Code With the anonymous function: Js Code What modifications, to the calling of foo () add parentheses: Js Code Simply, even the definition of foo to foo assignments ------ dispense with the equal sign to the right of Dongdong, di ...

12 easy to use flex function of

1. Copy the contents to the Clipboard : System . setClipboard ( strContent) ; 2. Clone a ArrayCollection : var bar: ArrayCollection = new ArrayCollection( ) ; for each ( var i: Object in ac ) { bar. addItem( i ) ; } var bar: ListCollectionView = new

The definition of function expression

Today, to see the code, though not so to write, but became interested in this form, it is how to run it? Test was found, ie, and Firefox is not really the same as under; Test: Results: ie: firefox: Their conclusion: ie, the equivalent of two variable ...

12 easy to use flex function

1. Copy the contents to the Clipboard : System . setClipboard ( strContent) ; 2. Clone a ArrayCollection : var bar: ArrayCollection = new ArrayCollection( ) ; for each ( var i: Object in ac ) { bar. addItem( i ) ; } var bar: ListCollectionView = new

Function definition of the expression

Today to see the code, though not so written, but became interested in this form, how it runs? Tests found, ie and Firefox really is not the same as under; Test: Results: ie: firefox: Their conclusion: ie, the equivalent to define f and g of two vari ...

With a JavaScript string operation

With a JavaScript string operation While JavaScript has many useful, but processing the string is one of the most popular one. Let us in-depth analysis of the use of JavaScript string operation. In the JavaScript in, String is the object. String obje ...

12 easy to use flex function [change]

1. Copy the contents to the clipboard: System. SetClipboard (strContent); 2. Clone a ArrayCollection: var bar: ArrayCollection = new ArrayCollection (); for each (var i: Object in ac) ( bar. addItem (i); ) var bar: ListCollectionView = new ListCollectionV

Javascript common function Daquan First, verify the type 1, digital Class 1.1 Integer /********* * Signed int * * / function IsInt (str) ( if (/^(-| \ +)? \ d + $ /. test (str)) ( return true; ) else ( alert ("false"); ...

Call Javascript function method summary

Again and again, I find those bug in the Javascript code is as Javascript does not really understand how the work function is caused (by the way, many of the code as I write). JavaScript has a functional programming features, When we choose to face i ...

Associated with the Function and Object interesting code

A code fragment: alert(Function instanceof Object); // true alert(Object instanceof Function); // true Function is an instance of Object, Object is an instance of Function and good "entangled" relationship. A code fragment: alert(Object.forEach)

Re javascript step deep understanding of Function.prototype

Today, nothing in bed reading a book, turn to "JavaScript language the essence of" 33 years, a very ordinary, very familiar with the process, I imagined wrong. References - "By adding a method to Function.prototype way, we do not have

Depth javascript function object (a) Learn javascript before the time was pretty interface control js attracted so many is the time to learn to read online js code-based, relying on their own to other object-oriented language understanding, or Minato
Recent Entries
Tag Cloud
Random Entries