catch e

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Refreshing File Upload

I, You can use IFRAME to upload a non-refreshing file. In fact, it is refreshed, but it is hidden in IFRAME.   Simple principles:   The target in form must be equal to the ID value in IFRAME, indicating that the form has a post event, that is,

Translation of the "MySpace" Worm Principle

Http://namb.la/popular/tech.html Technical explanation of MySpace worm (also known as Samy or Js. spacehero worm)Click here to learn more interesting things about the MySpace Worm All the code for this worm is listed at the bottom of the

Database Operations for javafx Learning

The simple operations we learned last time to connect to the database with javafx, this time we will do a slightly complex database operation example. IDE: netbeans6beat2, the database uses javaDB (jdb6 comes with javaDB database, netbeans6 also has,

Typical JavaScript UDF

// Obtain the printer on the networkFunction getnetprinter (){VaR OBJ = new activexobject ("wscript. Network ");VaR netprinter = obj. enumprinterconnections ();For (I = 0; I {Document. writeln (netprinter. Item (I) + "=" + netprinter. Item (I + 1 ));

Add JS Code to favorites and set as Homepage

Add to favorites JSCode:   Function AddFavorite (Surl, stitle ){Try {Window. External. AddFavorite (Surl, stitle );}Catch (e ){Try {Window. Sidebar. addpanel (stitle, Surl ,"");}Catch (e ){Alert ("failed to add to favorites, please add with Ctrl

Javascript unit test the abcjavascript date Formatting Function, which is similar to the method used in C #.

Preface At present, in software development, unit testing is increasingly valued by developers. It can improve the efficiency of software development and ensure the quality of development. In the past, unit tests were often used in server

Ajax: use the latest version.

Recently, many users have used this method when asking questions about Ajax application in IE. Code : XMLHTTP = new activexobject ("Microsoft. XMLHTTP "); I won't check where the code was copied, but it is problematic, at least it is outdated

JS get DOM object Ajax operation read/write cookie Function

CopyCode The Code is as follows: var lf = {}; Lf. Version = '1. 0.0 '; // Global functions Function $ (objname ){ Return document. getelementbyid (objname ); } Function $ name (objname ){ Return document. getelementsbyname (objname ); } Function $

Compatibility between XMLHTTP and multiple browsers

CopyCodeThe Code is as follows: var XMLHTTP = NULL; If (window. XMLHttpRequest ){ XMLHTTP = new XMLHttpRequest (); } If (! XMLHTTP & window. activexobject) { Try { XMLHTTP = new activexobject ("msxml2.xmlhttp. 5.0 ") } Catch (E) { Try {

Javascript: previously written XMLHTTP pool, code

VaR pool_xmlreq = function (){ VaR _ cachecase = []; _ Cachecase. Fetch = function (){ VaR I = 0; VaR _ instance = function (){ Try { Return (New activexobject ("msxml2.xmlhttp. 5.0 "));} Catch (e ){ Try { Return (New XMLHttpRequest ());} Catch (e ){

Typical JavaScript UDF [Post]

There are some errors. Find them and exercise one :) // Obtain the printer on the networkFunction getnetprinter (){VaR OBJ = new activexobject ("wscript. Network ");VaR netprinter = obj. enumprinterconnections ();For (I = 0; I {Document. writeln

Javascript framework design-seed module _ javascript skills

This article introduces the content of the second chapter of the seed module of the javascript framework design of situ Zhengmei. it is a small post-reading experience. you can refer to it. The seed module is also called the core module, which is

Js cookie storage user information security prevention (preventing simulated login)

Generally, Cainiao only knows how to save user information to cookies. Logon only determines whether a Cookie exists and determines whether a user logs on based on the existence of the Cookie value, some even store user passwords in cookies, which

FCKeditor 2.6 upload failure Asp.net solution onuploadcompleted permission denied

Official Patch: http://dev.fckeditor.net/attachment/ticket/2115/2115.patch . NET architecture solution: Open the file filebrowser> fileworkerbase. CS Go to line 119 Replace: Response. Write (@ "(function () {var d = Document. domain; while

Add to favorites and set as Homepage

// Set it to the home page function sethome (OBJ, VRL) {try {obj. style. behavior = 'url (# default # homepage) '; obj. setHomePage (VRL);} catch (e) {If (window. netscape) {try {Netscape. security. privilegemanager. enableprivilege

Custom send requests and process response objects in Ajax

Custom send requests and process response objects in AjaxJavaScript contains an object called XMLHttpRequest that initiates an AJAX request and processes the AJAX response. This object is very complex and contains many features and methods that

Native Ajax call data simple instance code

Native Ajax call Data simple instance code:because of the prevalence of jquery, now the use of more is jquery encapsulated Ajax, because it solves the browser compatibility problem, this is tantamount to the programmer to remove a heart great

Js export table EXCEL Summary

Exporting EXCEL is generally done using PHP, but in projects, sometimes the data returned by the PHP backend engineer is not what we want. As a front-end development engineer, after converting the corresponding data number into text, the data must

Simple implementation code of JS Map and List

Copy codeThe Code is as follows:/** MAP object to implement the MAP function** Interface:* Size () gets the number of MAP elements* IsEmpty () determines whether the MAP is empty.* Clear () deletes all MAP elements.* Add an element (key, value) to

JS to determine if the PDF player is installed

function Ispdfplugininstall () {if (!isie ()) {//ie browser and non-IE browser supportNot IEif (navigator.plugins && navigator.plugins.length)///Adobe Reader | Adobe PDF | Acrobat | Chrome PDF Viewerfor (var i = 0; i var plugin = Navigator.plugins[i]

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