How do I include one HTML file in another? The easiest way, by far, is to use "server side includes" in your HTML. Almost all web servers support this, except for free web hosting companies. This is overwhelmingly the preferred way to go. And the same exact. ASP and ASP. NET sites. For webmasters who prefer. PHP, a minor variation on this theme is the use of PHP syntax instead. For those who cannot.
ASP, ASP. NET or PHP, we also present two client side. Java. Script method, and the iframe method. Both have. significant disadvantages and you should absolutely try to use server side includes. Not to put too fine a point on it, but professionals. I don't know how" and "I chose the wrong web host". Server side includes are a simple way to tell your web server to insert. HTML page. You can use them without. However. some web servers require that you name your file . If server side includes don't appear to work. Of course, server side includes only work when a web. This is only an issue when testing. If this becomes a problem, it may be. After all, Apache is free for. Windows, and both free and standard in Linux and Mac. OS X. A simple server side include directive to include another file. The difference is that include virtual takes a. URL- style path, which is what you probably expect. CGI programs, if your web server supports that, and. CGI programs. Both also accept. If. you don't understand the difference between web paths and file system. There are many more server side include directives available; for. IF IT DOESN'T SEEM TO WORK, TRY NAMING YOUR FILE WITH A . EXTENSION. instead of . Please do not ignore this tip and then email me asking why it. For more information, see the. Apache server side includes tutorial, which also. Apache web server correctly with. For information about enabling. Server Side Includes in Microsoft IIS, consult. Microsoft Tech. Net. How to Use PHP For Server Side Includes. Possible Duplicate: Including a.js file within a.js file How can I include a js file into another js file, so as to stick to the DRY principle and avoid. Already using a script loader? If you already use a script loader you can replace it with Include.js without problemes and without rewriting code. If your server is configured to support PHP. PHP everywhere, you. HTML in your PHP page like this. This is essentially the same thing as server side includes, just using. The PHP page that contains this directive must. PHP. If you. don't know PHP, you probably want to use ordinary server side. PHP include directives can also point at files on any website using. Of course, you must not steal content from another website. To do so is a. copyright violation and may lead to legal action against you. How to Use ASP and ASP. NET For Server Side Includes. If you are using old- fashioned ASP (. The server- side include commands discussed earlier. Naturally. your pages will have a . Otherwise, no changes need be made. The files you include can also. ASP code. Since server- side includes are compiled in advance in ASP. NET. before any ASP. NET code is run, you can't use an ASP. NET variable. as part of a filename to be included. Those who require such. ASP. NET code. If you don't understand this.. See the Microsoft Knowledge Base article. How To Dynamically. Include Files in ASP. NET for more information. How to Use Client Side Includes. As I mentioned earlier, there are two ways to create client side includes. Java. Script and iframe. Let's look at the advantages and disadvantages. The Java. Script method is the more seamless of the two. Java. Script code can. URL and insert it into another page. The end result looks as good as a server- side include— but. Java. Script is turned on. And search engines don't see the. The iframe method is simpler. The iframe element can be used. Flash movies, videos and MP3 players are embedded with the. And Java. Script doesn't have to be turned on. But. there are disadvantages here too. The iframe element has a fixed. That can mean scrollbars. And, as of this writing. Google doesn't appear to index the separate page referenced by the iframe. Client- Side Includes: The Java. Script Method. Until recently web browsers did not support any elegant way of including. HTML document seamlessly into the body of another. While frames. and inline frames have been available for a long time, these are ways. Generating part of your page using Java. Script code kept in a separate file. HTML be kept in Java. Script form, which is a pain to deal with. With Firefox (on any system), Internet Explorer 5 and up (on Windows). Apple's Safari browser (on Mac. OS X), the situation has improved. A new mechanism called XMLHTTP can be used to fetch. XML documents "on the fly". Java. Script program. That includes fetching HTML files. And both of. these browsers support inserting what we've fetched at any given. Professional designers: don't do this. Really, don't. It. It's just. a workaround for people who can't afford real web hosting with support. PHP, ASP or server side includes. If you use this technique on a website. Google— or doesn't show up in. Use the techniques earlier. But this isn't a miracle cure. The web browser still has to be Firefox. Safari (on Mac. OS X), or IE 5 or better on. Windows. That's the vast majority of users, but it's not everyone. And. some users will have Java. Script turned off for security reasons. VERY IMPORTANT: if you use this method with pages on your hard. Internet Explorer. You won't have this problem once you move the page. Then it becomes clear to Internet Explorer that. OK, we've been warned, so how do we do it? By adding the following Java. Script. code to the < head> element of the web page. Side. Include(id, url) {var req = false; // For Safari, Firefox, and other non- MS browsersif (window. XMLHttp. Request) {try {req = new XMLHttp. Request(); } catch (e) {req = false; }} else if (window. Active. XObject) {// For Internet Explorer on Windowstry {req = new Active. XObject("Msxml. 2. XMLHTTP"); } catch (e) {try {req = new Active. XObject("Microsoft. XMLHTTP"); } catch (e) {req = false; }}}var element = document. Element. By. Id(id); if (! Bad id " + id + "passed to client. Side. Include." +"You need a div or span element " +"with this id in your page."); return; }if (req) {// Synchronous request, wait till we have it allreq. GET', url, false); req. HTML = req. response. Text; } else {element. HTML ="Sorry, your browser does not support " +"XMLHTTPRequest objects. This page requires " +"Internet Explorer 5 or better for Windows, " +"or Firefox for any system, or Safari. Other " +"compatible browsers may also exist."; }}< /script>. Now we have the power to include another file at any point in the. We do that by creating a simple "placeholder" HTML element. ID that Java. Script code can recognize, and then passing. ID and the URL of the file we want to include at that point. Side. Include Java. Script function. One tricky wrinkle: client. Side. Include doesn't always work. So we'll need. to call it from the on. Load handler of the < body>. That's the safest time to call because the browser has. HTML by then. So at the point in your page where you wish to insert. And at the beginning of the body of your page, you'll need to do this. Load="client. Side. Include('includeone', 'includeone. Of course, a long, complicated on. Load handler can be very ugly. You can avoid that problem by moving the call (or calls!) to. Side. Include to a function in a < script> element. Then just call. your function from on. Load. Java. Script code in the included file might not be executed. One more reason why server- side include is always. You can make things even more elegant by moving the. Side. Include function to a separate file. Side. Include. js, and including that in the. Java. Script" src="client. Side. Include. js"> < /script> Client- Side Includes: The iframe Method. If the Java. Script method doesn't meet your needs, consider. This method has the advantage. Java. Script. But bear in mind. And you are. forced to decide in advance exactly how much space your second. If the second document. Depending on your needs, this might be just perfect or a. Using iframe is straightforward. If your second. embedded document is called included. Hmm, you are using a very old browser. Click here to go directly to included content.< /a> < /iframe>. Why do I have an ordinary a element inside. Because certain older browsers. While very few human beings are still stuck with Netscape 4. Google. And we. don't want those to ignore our embedded content completely! The iframe element has additional attributes. In addition to setting. In most cases. you'll want to accept the default behavior: displaying. But if you absolutely don't want to permit scrolling. You can also eliminate the visible border around the. This is important if you want the. Here's the example again with no frame border. Hmm, you are using a very old browser. Click here to go directly to included content.< /a> < /iframe>. For more information about iframe, see. The Web Design Group's. What To Include, And What Not To Include. Some users have asked whether the file that is being included. HTML document. For server- side includes and Java. Script client- side includes. HTML document. If you include one complete HTML document into another, you wind up with two. Just think about it this way: what the web browser finally receives. It doesn't. matter what the pieces you assemble to create that document look like. Only what ultimately reaches the web browser is important. For iframe client- side includes, the situation is different. Here you are embedding a completely independent second page into the. So that second page should be a complete HTML document. How can I include a file on another website in my page? You can't do that legally without permission. Here I am assuming that. It's easy enough to display a web page on another site as part of. Of course, this doesn't look like a seamless part of the page, and. You usually cannot use the Java. Script- driven client side include method to. This is because the security rules. There is one exception: if the other site is part of the same domain. At the top of the head element - -> < script> document. After you do this, you will be able to use client- side includes to. That is, if. your page is on www. But you. still can't fetch it from www.
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