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program development, programmers often have to face is how to write code to respond to the occurrence of error events, that is, exception handling (exception handlers). If the exception handling code is well designed, then the final presentation to

In program development, programmers often face how to write code to respond to the occurrence of error events, that is, exception handlers ). If the exception handling code is well-designed, the final presentation to the user will be a friendly

Call this function when you close the page, close the filefunction Window_onunload () {try{var webobj=document.getelementbyidx_x ("WebOffice1");Webobj.close ();}catch (e) {Alert ("Exception \r\nerror:" +e+ "\r\nerror Code:" +e.number+ "\r\nerror Des:

In a recent project to use JS to realize the function of automatic calculation, this thought just to achieve simple addition, subtraction, multiplication, except on it, so rinsed finished.Just when I was happy, I found the problem ...When doing some

Var oProgressLayer = null;/*************************************** **************************************** *****************// Set all elements on the Web page to events that are not responsive, and set the mouse cursor to wait**********************

Before how careful study of Ajax, just use it directly to use, found the problem to find a solution. Here's a little summary of what I'm looking for in the process of solving the problem. A. Talking about the difference between get and post of

  On Sunday prior to the agile 2009 Conference, the third agile Alliance Function Testing seminar was held. Anyone interested in improving existing functional testing tools (relative to unit testing) can participate in the open space agenda.

Data validation and regular expression validation for Extjs formsExtjs Form Verification includes empty verification, simple verification in vtype format, advanced custom password verification, and regular expression verification. Verify that code

Js Code Copy codeThe Code is as follows: [Code] In normal calculation, except for the first line (because it cannot be used apart), the rest should get accurate results, from the pop-up results, we found that it was not the correct result we

Before writing the project, directly to the data with the decimal point operation, found that the resulting value is not what you want.After a series of studies, found in JavaScript, floating-point arithmetic is first converted to binary, in the

There are a bunch of WLM plug-ins in the computer, which are useful and difficult to use. I don't know which one to install every heavy installation or new installation, simply save them all and compare them later. In a uniform example, some

JS Code Copy Code code as follows: [Code] According to normal calculation, except the first line (because it can not be removed), the other should be accurate results, from the pop-up results we find that is not the correct result

var map, Navtoolbar, Edittoolbar, Tilelayer, toolbar; var mapbaseurl = "Http://localhost:8399/arcgis/rest/services/pdsTile/MapServer"; var mapdyurl = "Http://localhost:8399/arcgis/rest/services/pds/MapServer"; var mapdyurl = "Http://10.19.110.130:808

Security work has always been a concern in our daily development. For Web development, JavaScript security is a major concern. JavaScript is a scripting language that can run in a variety of browsers, but based on security considerations, almost all

[Switch] Use HTML5 IndexedDB API, html5indexeddb Local data persistence improves Web application accessibility and mobile application response capabilities The index database (IndexedDB) API (as part of HTML5) is useful for creating a data-intensive

Provides ideas; allows you to easily inject edited functions into remote pages with one click.         easy to inject operation code to a remote webpage Program Window name: (Win window object name. If this window already exists, the window URL

embed flash in 0x01 HTML Embedded in the HTML in the flash in IE and non-IE browser embedded in different ways, you can use the Embed tag and object tags, using the following code to embed: IE embedded under Non IE embedded In the process

Local data persistence improves WEB application accessibility and mobile application responsivenessThe index Database (IndexedDB) API (as part of HTML5) is useful for creating data-intensive offline HTML5 WEB applications that have rich, locally

What are the advantages and disadvantages of the current Ajax framework? Let's talk about it later: 1. Ajax. js CopyCode The Code is as follows :/* Ajax v1.4 Hjf 2009-7-5 */ Function ajaxdo (){ This. httprequest = NULL; This. openmethod =