top ten browsers

。 (Novice may think that settimeout and setinterval are JavaScript functions, which is wrong.) Beginners can easily confuse JavaScript object functions with Dom object methods. ） First a piece of code, you can guess what the results will be in various browsers? Copy Code code as follows: function f () { var s = ' arguments.length: ' +arguments.length+ '; '; for (var i=0,n=arguments.length;is + + ' [' +i+ ']: ' +arguments[i]+ '; ';

Recommended reading: JS iframe load slow how to solve In the project is often to dynamically add an iframe, and then to add the IFRAME related operations, and often the IFRAME has not yet been added, the following code has been executed, so some of the things you wrote did not show up. At this point, we have to consider whether we can wait for the IFRAME after the completion of the operation of the following, of course, a variety of browsers have be

Browsers IE6 IE7 IE8 (Q) Problem Analysis The JSON object was implemented in the 5th edition of ECMAScript, published in December 2009, and IE6 IE7 and IE8 (q) (IE8), equivalent to IE 5.5, were published earlier and did not implement the object in its Javascript engine. Analyze the following code: The above code first probes for the existence of a JSON object under window and then simply tests the parse and stringify f

[Source code download: http://download.csdn.net/source/3526786] Introduction Here, I'll introduce ATL support for using ActiveX controls in a dialog box. Because ATL specializes in handling ActiveX controls, WTL does not involve other auxiliary classes. However, the ATL method that uses ActiveX controls is very different from MFC, so it needs to be highlighted. I'll explain how to use an ActiveX control and handle events to develop a program that does not lose functionality compared to programs

Symptom (s): When setting a value for an element's InnerHTML, if the provided HTML code contains a JS script, many times these scripts are invalid or valid on some browser, but are not valid on other browsers. Reason: Different browsers have different ways of handling scripts that are inserted into InnerHTML. After practice, summed up as follows: For IE, first, the script tag must take the defer attribute

Although a seemingly very good topic, but this article can be said to be completely egg pain (such as I ~) a Pastime ~ usually developers have their own way of relaxation. In the Genesis Altar, one of XD asked a question about the border, so he was going to figure it out. It won't take long to write an article, but the drawing is ready for a while. In this article, let's take a few of the different browsers ' understanding of the borders. The

[Original] test the smoothness of canvas animation playback in different browsers. Original canvas Animation Canvas is undoubtedly one of the most exciting technologies on the HTML5 open network platform. Currently, in addition to IE8, new versions of various browsers support HTML5 Canvas. The programmer needs to call the Canvas API through Javascript. The basic Canvas API consists of a 2D environment that

In many cases, we generally use navigator. userAgent and regular expression are used to determine the version of IE browser. The following describes how to use different features in IE browser to Determine IE browser 1. The difference between IE browser and IE browser is that IE browser supports ActiveXObject, however, non-ie Browsers Do not support ActiveXObject. When the IE11 browser hasn't appeared, we can determine that the 123 function isIe () {r

In many cases, we generally use navigator. the userAgent and regular expression are used to determine the version of IE browser. The following describes how to use different features in IE browser to Determine IE browser 1. The difference between IE browser and IE browser is that IE browser supports ActiveXObjec... syntaxHighlighter generally uses navigator. userAgent and regular expression are used to determine the version of IE browser. The following describes how to use different features in

HTML5 provides developers with many new labels, such as section, nav, article, header, and footer. these tags are frequently used because of their high degree of semantics. However, in old browsers such as IE6, IE7, IE8, and Firefox2, they cannot be identified and used normally, next, we will introduce how to eliminate this anger. HTML5 provides developers with many new labels, such as section, nav, article, header, and footer. these labels are highly

Transferred from: http://www.eamonning.com/blog/view/289The following is the full textAt the earliest, there was a browser called NCSA Mosaic, labeled ncsa_mosaic/2.0 (Windows 3.1), which supported text display while supporting images, so the web began to get interesting.Then appeared a new Web browser, "Mozilla", actually is "mosaic Terminator" meaning, this make mosaic very uncomfortable, (after all Mosaic debut early, lake old), new browser finally officially announced the name is Netscape, I

How to solve the Chinese garbled characters in the file name downloaded from PHP across browsers ,. How to solve the problem of Chinese garbled characters in the downloaded file name of PHP across browsers. This article describes how to solve the problem of Chinese garbled characters in the downloaded file name of PHP across browsers. I would like to share with y

JS built-in object Regexp we use very comfortable and comfortable, but there are serious hidden dangers or traps... the reason is that some browsers directly optimize regular expressions. Before the beginning of this chapter, I will introduce an example to illustrate whether this kind of incomplete abnormal optimization is reasonable or unreasonable... The Optimization of the direct amount of strings in C # is very thorough... we should welcome th

How to use JavaScript to detect browsers is a common issue. Based on my experience, using JavaScript to detect browsers is nothing more than two types of methods. The first is to use the functional properties of the browser. For example, you can check whether the browser supports the getelementbyid method. If (document. getelementbyid ){// The method exists, so use it here} Else {// Do something else}

access Problem description: in IE, use obj. parentElement or obj. parentNode to access the parent node of obj. In firefox, use obj. parentNode to access the parent node of obj.Solution: because both firefox and IE support DOM, obj. parentNode is used to access the parent node of obj.17. innerText problems.Problem description: innerText works normally in IE, but innerText does not work in FireFox.Solution: Use textContent instead of innerText in a non-IE browser.Example:If (navigator. appName. i

This is a problem that determines whether a PHP program is executed on different browsers at the same time. I have a program (assuming a single page). when this program is running, I don't want multiple browsers to run at the same time, because SESSION and COOKIE may cause different verification results due to different browser kernels, and the same time may occur, open three

. async = false; xmlchilddoc. load (PATH); // load the XML file // window. alert ('ie');} else if (isfirefox = navigator. useragent. indexof ("Firefox")> 0) {type = 2; xmlchilddoc = document. implementation. createdocumen T ("", "", null); // Firefox does not support activexobject xmlchilddoc. async = false; xmlchilddoc. load (PATH);} else {window. alert ('this browser is not recognized now! '); Return;} If (xmlchilddoc) {var nodes; If (type = 1) // judge whether it is iebrowser {If (xmlchilddoc

In ASP. 4, you can easily implement adaptive layouts and views for different browsers. This is due to the design concept of "convention over configuration" in MVC.Default self-adaptingMVC 4 automatically adapts to mobile device browsers and PC device browsers. For the layout page, the default file name is _layout.cshtml, which is used by all

What is RSS? In short, RSS is like a microblog. Push updates to you when your source is updated, or tell you what to update when the site is updated. And the source is like those Weibo accounts. The vast majority of websites now offer automatic RSS feeds. However, all of this requires the participation of an RSS reader. RSS readers are specifically responsible for subscribing to and viewing the source. It's just that it's not necessarily a stand-alone software. Most

Browser sniffing is now deprecated, but it is needed on some occasions. For example, some statistical scripts. In the standard browser, provided the document.implementation.hasfeature, unfortunately there are bugs, inaccurate, at present, the Css.supports has launched a new method, showing the attention of this piece. 1. Decision Browser. Mainstream browsers have IE Firefox opera chorme Safari early these frameworks are judged by the navigator.usera