javascript change iframe src and reload

Knowledge Base. Hi all, I have an iframe with a default source, but want to be able to change the source of this to a different address when someone clicks one of a number of links below it. I have a JS plug in and it will have a variable called newURL ready and this newURL is another aspx page. For example, see this blog (click the "reply" button!) . The problem is, you can't pass a function that will need arguments. The src attribute specifies the URL of the document to show in an iframe. The "Same Origin" (same site) policy limits access of windows and frames to each other. Then I "change" the source via javascript to load another page in it. Going straight to the point, to get and change the content of an IFrame through another IFrame, you use their common base, the Main Page, also named " Parent ", using the parent property and the name of the IFrame that will be accessed (name that is specified in the " name " attribute in the <iframe> tag). So, the purpose of the "Same . There are 2 ways to automatically change the size of an <iframe> so as to fit its content and prevent scrollbars :. The idea is that if a user has two pages open: one from john-smith.com, and another one is gmail.com, then they wouldn't want a script from john-smith.com to read our mail from gmail.com. to set a new source for the iframe and reload it, you can do this: var iframe = document.getElementById ("iframe"); iframe.setAttribute ("src", <your url>); note: the setAttribute changes the src and reloads the page. Letâ€™s say you have an iframe of captcha that enables the user to refresh it and serves different security code every time. The problem is, that when the parent page is reloaded it loads the last page into the iframe instead of nothing. No, Martin's formulation is the most cross-browsers code for the task. You can use this same piece of code to refresh the image as many times as you like so putting it in a function is useful. you place the code either into your 'head' or you create an external JavaScript file .js ending, just make sure you refer to it in your . . LinkedIn. HTML 5 does define explicit communication between iframes, but until wide adoption, we have to think harder …. // the `unload` event is dispatched. Happens with all Angular versions <= 4.1 (current version at time of this writing) So the problem is that this.domSanitizer.bypassSecurityTrustResourceUrl returns a new object every time it is invoked. you can also use jquery. Issue: I am refreshing the datagrid on timer tick. Hello Farnsbarnes, Yes, you can. ('iframe')[0].src=document.getElementsByTagName('iframe')[0].src. These include a loading of scripts, images, links, subframes etc. Thursday, September 23, 2010 10:52 AM. This is same on SRC URL change by JavaScript during reload. the SRC of an IDed IFRAME by assigning to its src property. Syntax: document.getElementById ('YOUR IFRAME').contentDocument.location.reload (true); var f = document.getElementById("Frame2"); //Set real id f.src = f.src; Thanks. Facebook Twitter. We can use the onload event handler of the iframe HTML tag. to set a new source for the iframe and reload it, you can do this: var iframe = document.getElementById ("iframe"); iframe.setAttribute ("src", <your url>); note: the setAttribute changes the src and reloads the page. Need Help with Javascript to dynamically change height of IFrame. It goes like this…i got a page with menus on top and an iframe in the middle of this page. Jul 20 '05 # 4. iframe implementation. I have a single page with a datagrid (on the left hand side) and an iframe (on the right hand side). The datagrid is filled with all vehicles' data from database, while the iframe is filled with a Google map to plot these vehicles. How to refresh an IFrame using Javascript. change the src value and reload the iframe when the user . The following . Here is the code: < iframe id ="iframe1" runat ="server" src ="" width ="980" height ="2000" frameborder ="0"> </ iframe > My javascript function is: function RefreshIFramesDashboard () { var elts = document.getElementsByClassName ("refresh"); for (var elt in elts) { alert (elt.src); elt.src += ''; } } and the iframe take a lot of time to grab datas from the report server, but when the . Now make a change to the contents and make the iframe src attribute point to a different url. User-775831949 posted. Exit fullscreen mode. Then parent JS code will submit that hidden form where its #action points to the external iframe. Web Development. You can also try instead to the filename add query string also . After clicking the button: Method 2: Adding a new state with pushState () Method: The pushState () method is used to add a new history entry with the properties passed as parameters. The following demonstrates calling a function from the iframe's onload attribute: This example demonstrates assigning a function to an iframe's onload event handler property: document.getElementById('ifrm').onload = function() { // put your awesome code here } Another option: you can include an onload handler in the iframed document itself . How can I change the src value on an iframe dynamically (or just insert a new iframe) without triggering the loading spinner? Using setTimeout does not work.. function insert() {setTimeout(function() {document.getElementById('frameContainer').innerHTML = " Richard. Use the iframe tags in HTML 5, through the button event after modifying the iframe SRC attribute, can refresh the iframe; But through external JavaScript function called, after the modification of the SRC ,The SRC value is the machine under the other files in the HTML file,but cannot refresh iframe; I hava try more method,but no use. If you follow the function name with parenthesis (), you end up calling the function, and passing the return value of it. All rights reserved. There are three ways to load a new document into an iframe using JavaScript. For redirection case, "HTTP GET to old redirected URL" indicates last location is redirected URL instead of original URL. However, the following script may proved useful (I wrote this about a year or so ago). For same-domain iframes: From the parent page, the complete height & width of the iframe can be found through its contentDocument.body.scrollHeight & contentDocument.body.scrollWidth properties. 8 ; Cross-Browser setTimeout Problem 11 ; Dynamicallu Resizeing IFRAME based on content 12 ; Get email with imap 2 ; JavaScript-iframe in Firefox-looking for help 1 ; IE7 bug: Confuse of javascript variable name and iframe name. Helpful resources. I don't have a specific answer for you. Knowledge Base. document.getElementById ('iframeId').src =. You cannot do things this way. function refreshImage(imgElement, imgURL) { // create a new timestamp var timestamp = new . I have a JS plug in and it will have a variable called newURL ready and this newURL is another aspx page. Thursday, September 23, 2010 10:52 AM. Cross-window communication. to set a new source for the iframe and reload it, you can do this: var iframe = document.getElementById ("iframe"); iframe.setAttribute ("src", <your url>); note: the setAttribute changes the src and reloads the page. Note that this is only for example purposes, instead of using onClick you may want to consider using event handlers in an external script. Changing the img src using jQuery. The first method uses document.getElementById to reference the iframe element and assigns a new URL to its src property: var url = 'page.html'; var el = document.getElementById('ifrm'); el.src = url; // assign url to src property. Either the appendChild or insertBefore method can be used to place the iframe in the document. Finally assign, the url to iframe object using the src property of iframe. var iframe = document.getElementById ('iframe_id'); iframe.src = iframe.src; iframe_id is the ID of the IFrame. I am using a javascript code to ensure the page refreshes within the parent page but I don't know which bit of the code (if any) I can alter to stop the parent page refreshing at the same time. The iframe implementation can be used in a very similar way as shown above. - Evidently, the JavaScript context of the IFrame is not being reset. The iframe actually loads another page to do the plotting. This can be particularly evident if you're embedding a Google Map in your page with an iframe. Evidently, the JavaScript context of the IFrame is not being reset. this.options [this.selectedIndex].value; }">. To solve your problem you could simply do a Server.Execute to your logoff Url and then simply set the iframe source with your second URL. Dynamically Generating an Iframe How to create and insert an iframe using DOM methods. If you pass in an HTML string, the iframe will load with that HTML content inside: <iframe srcdoc="<p>This text will appear in the iframe!</p>"></iframe>. All this would be so easy if iframe scripts could talk to each other directly, but that would cause all manner of security shenanigans. // Remove the unloadHandler in case it was already attached. Both event handlers will invoke the ColorChange() which is what I'd call a proactive function. Force iframe to (re)load document when only src hash changes. The setAttribute method can be used to add id, src, and other attributes. Reply. The datagrid is filled with all vehicles' data from database, while the iframe is filled with a Google map to plot these vehicles. Thursday, September 23, 2010 10:52 AM. There are times when you want to refresh the content of an iframe and reload the page in it, without refreshing that of the main page, and it can be achieved with a tiny property of iframe, src. Reproduction: https://plnkr.co/edit . Enter fullscreen mode. Sample code is available. // Just in case the change wasn't dispatched during the unload event. Because JQuery is not always needed :) Reply. How to refresh iFrame source; SBX - Heading. If in page load I do only "Logoff URL" and If I put a button and explicity use the "Actual URL", it works fine. How to refresh an IFrame using Javascript. Force iframe to (re)load document when only src hash changes. . Changing the src attribute kind of works, but doesn't result in a proper redraw of the iframe. Most of the code in this implementation is a JavaScript exercise. I have a iframe on aspx with dummy url. This way the src automatically chages when the month changes. var month = curdate.getMonth (); objFrame.src=month+".htm"; } </script>. This will change the current URL to the new state given without reloading the page. Hit browser reload button, notice that the "outer" content is refreshed but the iframe content still points to the content at the old url. The createElement method is used to dynamically generate the iframe. append some random string into the filename to resolve the issue. I have a single page with a datagrid (on the left hand side) and an iframe (on the right hand side). I know how to do that using window.onload, but with buttons, I did not find any. We are going to be finding it in the article. These values can then be set as the CSS height & width of the <iframe> element. JavaScript to Change the URL in an Iframe. could you tell me which bit of the code to change so that on refresh the parent page reverts to its original iframe source, not the current one . I can't refresh an iframe in a razor page (project : blazor wasm with .NET 5). Setting Iframe Height How to set the height of an iframe to show all of its content without need for iframe scrollbars. to its sets "attributeName" (here "src") of the element to the given value. if your filename is 'filename.pdf' then add some random string into it eg. → Force an Iframe to Reload. User-775831949 posted. This is the same what Alex proposed just using JQuery: 'filename_1234.pdf' and each time you generate new pdf append other set of random string into it. This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository. JavaScript. So . Accept Solution Reject Solution. JavaScript. java2s.com | © Demo Source and Support. Hi! iframechange.js. The below is a fully working example. . Binding to the src property of an iframe causes the iframe to reload every time change detection is run, even when the src value has not changed. var iframe = document.getElementById ('iframe_id'); iframe.src = iframe.src; iframe_id is the ID of the IFrame. @ashlega. If you're already using the jQuery library and you would like to keep your code consistent, you can use the following method: //Change the img property using jQuery's attr method $ ("#myImage").attr ("src", 'img/new-image.jpg'); In the code above, we referenced the image by its ID and then used jQuery's . Then you need to write a code on the change of this dummy field to Refresh an IFrame content. If it is on the same page as the JavaScript, then you need to get the <video> element - not the <source/> - and call it's play() function or load() function if you want to reload the video. Chris Coyier on Aug 17, 2011 . I am a little confused about where the <video> tag is. The one point that may not be clear is that when you load a new source into the iframe, HTML will automatically reload the iframe. when you set 'src' twice, you are smashing the first value with the second value, that is why only one url is invoked. // Otherwise, there will be two handlers, which is unnecessary. Web Development. HTML5. I want next step be update the iframe url with this newURL and refresh iframe so it load up the content of newURL aspx page in this main page. I want next step be update the iframe url with this newURL and refresh iframe so it load up the content of newURL aspx page in this main page. The event fires once all the elements in the iframe is loaded. I don't have a specific answer for you. Community Forums. and will work on significantly more browsers than attempting to re-set. 3 ; Javascript and Drop . This rather puts a kibosh on the whole cross-domain cross-iframe thing. This code appends the timestamp to the source URL and will ensure the image is reloaded and refreshed with your new modified image. Then, we need to construct the url using our parameter values that are size (width x height) and geo in this example.
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