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In the development of the program will inevitably encounter some errors, in thousands of code to find errors is clearly equivalent to a needle in the haystack, for this reason, each computer programming language has its unique set of error handling

/** 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 the MAP using put (key, value)*

Once posted on the classic Forum, this is used in personal projects during background processing, which is quite convenient for simple form verification.Because you don't want to make the code too bloated, you don't need to add more features that

Add to Favorites Add to Favorites function Addfavorite (sURL, Stitle) {try {Window.external.addFavorite (sURL, stitle);}catch (e) {try {Window.sidebar.addPanel (Stitle, sURL, "");}catch (e) {Alert ("Add to collection failed, please use ctrl+d for

One, foreground code. Upload Technical Documents function Ajaxfileupload () { $ (' #bjhlist '). Form (' Submit ', {URL: ",Onsubmit:function () {return true;},Success:function (usermsg) { var usermsg = eval ("(" + usermsg + ")"); var guid =

Event stream The event stream in the browser means that there may be one or more elements on the page to respond to the same event. The order in which one or more elements respond to events varies with browsers (mainly for IE and Netscape.Dubbed

Copy codeThe Code is as follows:// Import the js FileFunction getResult (url, ready ){Var xmlHttp;Var r = function (){If (xmlHttp. readyState = 4 ){If (xmlHttp. status = 200 ){// Alert (isIE );Var xmlstr;Var xmldoc;Var isIE = !! (Window. attachEvent

Type of errorThere are a number of errors that can occur when executing code. Each error has a corresponding error type, andECMA-262 defines 7 types of errors:1.Error2.EvalError3.RangeError4.ReferenceError5.SyntaxError6.TypeError7.URIErroramong them,

In the past, I did not focus much on the principle. As long as I could finish the function in the shortest time, maybe it was a matter of time, you can sort out the previous items, haha;   The core of Ajax is the JavaScript Object XmlHttpRequest.

1.js fileJavaScript Documentjquery.extend ({createuploadiframe:function (id, URI) {//create frame var Frameid = ' Juploadframe ' + ID; if (window. ActiveXObject) {var io = document.createelement (' "); var oldelement = jQuery

If you read the previous article, "ASP. The solution for uploading large files using the Ajaxfileupload.js plugin (ajaxfileupload.js first bomb)", Should know that I was forced to seriously study the next ajaxfileupload.js this upload file plugin.

Copy Code code 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 $tag

var browserinfo = {UserAgent:navigator.userAgent.toLowerCase ()Isandroid:boolean (Navigator.userAgent.match (/android/ig)),Isiphone:boolean (Navigator.userAgent.match (/iphone|ipod/ig)),Isipad:boolean (Navigator.userAgent.match

The seed module is also called the Core module, which is the first part of the framework to perform. Even if a single file function library like jquery, its interior is also divided into many modules, there must be some modules executed immediately

Dynamic scripts We can insert JavaScript code into the page by using the element in the page. There are two ways: one is through the SRC attribute referencing the external JS file, one is to use this element to include a section of JS code. The so-

1. Initialize the XMLHttpRequest object template function Createxmlhttprequest () {var xmlHttp; try{//firefox, Opera 8.0+, Safari xmlhttp=new XMLHttpRequest (); }catch (e) {try{//internet Explorer xmlhttp=new activexobject

Like what: Copy Code code as follows: function Xmlhttpr () { var xmlhttp; if (window. XMLHttpRequest) { Xmlhttp=new XMLHttpRequest (); } else{ Try{xmlhttp=new ActiveXObject ("Msxml2.xmlhttp")} catch (e) {

fckeditor.net2.6.3 upload picture, picture file upload is successful, but is in FCK not return upload picture address, IE script hint "no permission", looked for a long time finally found the problem. Analyze problems Remove the folder read-only

Ajax 　　First, straight to the point These times, the blind can see, Ajax is striding towards us. Whether we are advocating or opposing, or ignoring, Ajax like a trend, the seats turned to all of us. As for the definition of Ajax or the big talk,

ajax|request|xml| objects Author: Jim Ley (Homepage) Translator: Sheneyan (Home) Time: 2006.1.29 Original English: http://jibbering.com/2002/4/httprequest.html Address: