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I have looked at your manual and automatic slider ‘how to examples’, in which the img src paths are set for each media library image separately - with their absolute paths. I have written a php snippet in which the urls of a number of the most recent uploaded images are determined. I can’t find out how this snippet can be combined with the html (css and javascript) code. Could you please provide a suggestion how to tackle this, using the php code or another way of getting the most recent uploaded media library images in a slider, without the need to set the absolute paths individually. Thanks - Harry
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BACKGROUND: I would like to embed a Matomo widget into a page, but I dare not embed it directly. For, to do so would require that I expose the authorization token that enables knowledgeable visitors of Matomo -- and coding in general -- the ability to view everything about my website that I am able to view. As I, myself, do not yet know what to do with everything that Matomo makes available (it appears endless), I certainly do not want to put it all into the hands of others willy-nilly. It is simply bad business. OBJECTIVE: Read the data into a PHP file, and load the result into the src attribute of an iframe. Below is sample code taken directly from the Matomo website. (The absence of the authorization token assumes that the superuser has given access to all users the right to view whatever they like. I do not wish to grant this privilege). SIMPLE URL https://www.nudge.online/_utilities/php/matomo/index.php?module=Widgetize&action=iframe&widget=1&moduleToWidgetize=Live&actionToWidgetize=getSimpleLastVisitCount&idSite=1&period=day&date=yesterday&disableLink=1&widget=1 EMBEDDING CODE <div id="widgetIframe"><iframe width="100%" height="350" src="https://www.nudge.online/_utilities/php/matomo/index.php?module=Widgetize&action=iframe&widget=1&moduleToWidgetize=Live&actionToWidgetize=getSimpleLastVisitCount&idSite=1&period=day&date=yesterday&disableLink=1&widget=1" scrolling="no" frameborder="0" marginheight="0" marginwidth="0"></iframe></div> Obviously, there is no difference in the URLs. QUESTION: If an image can be created by a PHP file and then read into the src attribute of an image tag, surely it must then also be possible to read the HTML content of a PHP file into the src attribute of an iFrame. What is the necessary header argument required? I have tried both " header('Content-Type: text/html'); and header('Content-Type: text/plain'); Neither works! Or, am I just guessing. And, what I am trying to do simply does not work. Roddy
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Dear W3Schools-Community, There is something not working with my code right here. It should be mentioned that I am fairly new to using JavaScript. Here is my HTML code (stripped down to the essential parts): <!DOCTYPE html> <html lang="de"> <head> <script type="text/javascript"> function change_content(contentname) { if (document.getElementById(contentname).className = 'notactive') { document.getElementById('login').className = 'notactive'; document.getElementById('news').className = 'notactive'; document.getElementById('info').className = 'notactive'; document.getElementById('websites').className = 'notactive'; var xmlhttp = new XMLHttpRequest(); xmlhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { document.getElementById('content').innerHTML = this.responseText; if (contentname == 'kontakt' || contentname == 'hilfe' || contentname == 'impressum') { document.getElementById('info').className = 'active'; } else { document.getElementById(contentname).className = 'active'; } } }; xmlhttp.open('POST', contentname + 'page.php', true); xmlhttp.send(); } if (document.getElementById('info').className == 'active') { document.getElementById('dropdown-icon').src = "/ressource/images/nydoo-dropdown-icon-black.png"; } else { document.getElementById('dropdown-icon').src = "/ressource/images/nydoo-dropdown-icon-yellow.png"; } } window.onload = change_content; </script> </head> <header> <ul id="mainnavigation"> <li id="mainlist" class="dropdown"><a id="info" class="notactive" onclick="change_content(this.id);">Information<img id="dropdown-icon" style="width: 15px; height: 12px; float: right; margin-top: 7px; margin-right: 20px;" src="/ressource/images/nydoo-dropdown-icon-yellow.png" id="dropdown_icon"></a></li> </ul> </header> <body onload="change_content('login'); return false;"> <div id="content"> </div> </body> </html> What I'm trying to do is changing the color from img (id="dropdown-icon") from yellow to black whenever a (id="info") has class "active". Also the other way around (class "notactive" -> change from black to yellow). Hopefully this describes it. It maybe a simple thing. But I'm getting frustrated with this issue. Let me know if I screwed it up myself :3 Thank you very much n advance.
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My code doesnt work the way I want it. The goal is a gradient background. I made an external style sheet. Like this: .grad{ height: 1020px; width: 1900px; /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#feffff+0,ddf1f9+35,a0d8ef+100;Blue+3D+%2318 */ background: #feffff; /* Old browsers */ background: -moz-linear-gradient(top, #feffff 0%, #ddf1f9 35%, #a0d8ef 100%); /* FF3.6-15 */ background: -webkit-linear-gradient(top, #feffff 0%,#ddf1f9 35%,#a0d8ef 100%); /* Chrome10-25,Safari5.1-6 */ background: linear-gradient(to bottom, #feffff 0%,#ddf1f9 35%,#a0d8ef 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */ filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#feffff', endColorstr='#a0d8ef',GradientType=0 ); /* IE6-9 */ } .maincell { text-align: left; width: 1900px; } .topcell { horizontal-align: left; height: 100px; } .downcell { horizontal-align: left; height: 600px; } The html code <html> <head> <link rel="stylesheet" type="text/css" href="style3.css"> </head> <body class="grad"> <FRAMESET ROWS="15%,85%" frameBorder="0" border="0"> <FRAME SRC="carn_head.php" name="navigatie" scrolling="no"> <FRAME SRC="carn_bottom.html" bordercolor="#CBEDF1" name="main"> </FRAMESET> </body> </html> The error is that I get to see a gradient background but not the code put in the pages. It used to when I hadnt add the .grad class. How can I have a gradient background and over it a frame showing the pages intended in the frame src?
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hello, i am working with jquery, thake a look at my jsbin code. when you click on the smile icon there popups a screen. Now the IMG field should be the IMG SRC. For some reason i cant get it to display the IMG SRC, any ideas?? https://jsbin.com/lelaxam/1/edit?js,output kind regards
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Warning: Noob alert. I was a complete noob 8 or 10 years ago and could fumble my way around Javascript, but I haven't touched it since. It's coming back to me, but slowly I have a web page where I play a video. Everything is working fine (with lots of snippets taken from this site). Below is both a sampling of the HTML and Javascript code used. At the bottom of this post I've pasted the contents of the whole page in case it is helpful. Body Snippet: <div> <video id="video"> <source src="myfile.mp4" type="video/mp4"> <!--I WANT THE PAGE USER TO BE ABLE TO CHANGE THE SRC FILE--> Your browser does not support HTML5 video. </video></div> Script Snippet: var vvid = document.getElementById("video"); function playPause() { if (vvid.paused) vvid.play(); else vvid.pause();}//...and lots, lots, more video control functions. However, I want to allow a user to change the video file being played. I would be nice for them to be able to click on a button that opens the file dialog where they would navigate to and select the video to be played. But if that's too complicated to implement then just placing the path and file name in an input text box for submission &/or reading by the script is fine too. I don't have need to implement playlists or anything fancy. This is for my where the page and files are on a local machine and XAMPP is being used as the server. I can do it with loading the text blob, but I've tried for hours and just can't figure out how to allow the user to select the video source (src). I'd be very appreciative if someone would show me how to do it. Thanks in advance, Andrew CODE FOR THE WHOLE PAGE, IN CASE IT IS HELPFUL: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta content="text/html; charset=utf-8" http-equiv="Content-Type" /><title>Video Viewer</title><style>#title { font-family:Arial, Helvetica, sans-serif; font-size:xx-large; font-weight:bold; color:black; text-align:center;}#video { margin-top: 10px; margin-bottom: 2px; background: gray; background-position: center;}#speeds { width: 40px; margin-bottom:10px; font-size: xx-large; background: #808080; background-position:center; border:medium; border-color:black; border-style:solid; font-weight: bold; font-family: Arial, sans-serif;}/* STYLES FOR THE TEXT BLOBS */ #byte_content { margin: 5px 5px; max-height: 300px; overflow-y: auto; overflow-x: hidden; } #byte_range { margin-top: 5px; }/* END OF STYLES FOR THE TEXT BLOBS */</style></head><body onload="pageLoad()"> <div id="title">Video Viewer</div> <table cellpadding="0" cellspacing="0" align="center"> <tr align="center"> <td> <div style="text-align:center"> <button onclick="playPause()">Play/Pause</button> <button onclick="muteUnmute()" type="button">Mute/Unmute</button> <br/> <button onclick="size50()">Smallest</button> <button onclick="size75()">Smaller</button> <button onclick="size100()">Normal</button> <button onclick="size150()">Larger</button> <button onclick="size200()">Largest</button> <br/> Playback Speeds: <button onclick="speed10()">10%</button> <button onclick="speed25()">25%</button> <button onclick="speed50()">50%</button> <button onclick="speed75()">75%</button> <button onclick="speed100()">100%</button> <button onclick="speed125()">125%</button> <button onclick="speed150()">150%</button> <button onclick="speed175()">175%</button> <button onclick="speed200()">200%</button> <button onclick="speed400()">400%</button> <br/> Set Time: <button onclick="timeStart()">Start</button> <button onclick="timeValue('txt1')">Set Time</button> <input type="text" name="txt1" size="4" value="0" id="txt1"/> <button onclick="timeback10()">-10</button> <button onclick="timeback8()">-8</button> <button onclick="timeback6()">-6</button> <button onclick="timeback4()">-4</button> <button onclick="timeback2()">-2</button> <button onclick="timeforward2()">+2</button> <button onclick="timeforward4()">+4</button> <button onclick="timeforward6()">+6</button> <button onclick="timeforward8()">+8</button> <button onclick="timeforward10()">+10</button> <button onclick="timeforwardEnd()">End</button> Pause After Changes: <input type="text" name="txt2" size="4" value="1" id="txt2"/> </div> </td> </tr> <tr align="center"> <td> <div> <video id="video"> <source src="oceans.mp4" type="video/mp4"> <!--I WANT THE PAGE USER TO BE ABLE TO CHANGE THE SRC FILE--> Your browser does not support HTML5 video. </video> </div> </td> </tr> <tr align="center"> <td> <div> [Current Playback Speed: <span id="speed"></span>] <button onclick="speedSlower()" id="speeds"><img alt="slow" height="25" src="images/slow.png" width="25" /></button> <button onclick="backIt(this)" id="speeds"><img alt="slow" height="25" src="images/back.png" width="25" /></button> <button onclick="playPause()" id="speeds">II</button> <button onclick="forwardIt(this)" id="speeds"><img alt="fast" height="25" src="images/forward.png" width="25" /></button> <button onclick="speedFaster()" id="speeds"><img alt="fast" height="25" src="images/fast.png" width="25" /></button> [Playback position: <span id="elapsed"></span> of <span id="duration"></span>] </div> </td> </tr> <tr align="center"> <td> <input type="file" id="files" name="file" /> Read bytes: <span class="readBytesButtons"> <button data-startbyte="0" data-endbyte="60">01-60</button> <button data-startbyte="61" data-endbyte="120">60-120</button> <button data-startbyte="121" data-endbyte="180">121-180</button> <button>All</button> </span> <div id="byte_range"></div> <div id="byte_content"></div> </td> </tr> </table> <!-- ---------- JAVASCRIPT ------------ --><script> // ------------ HELP SOURCES ------------ //http://www.w3schools.com/js/js_examples.asp // ------------ MAIN VARIABLES ------------ var vvid = document.getElementById("video"); // ------------ PLAY PAUSE ------------ function playPause() { if (vvid.paused) vvid.play(); else vvid.pause(); } // ------------ SOUND ------------ function muteUnmute() { if (vvid.muted) vvid.muted = false; else vvid.muted = true;}// ------------ RESIZE VIDEO ------------ function size50() { vvid.width = 360; } function size75() { vvid.width = 540; } function size100() { vvid.width = 720; } function size150() { vvid.width = 1080; } function size200() { vvid.width = 1440; } // ------------ PLAYBACK SPEED ------------ function speedSlower() { vvid.playbackRate = vvid.playbackRate-0.1;} function speed10() { vvid.playbackRate = 0.1;} function speed25() { vvid.playbackRate = 0.25;} function speed50() { vvid.playbackRate = 0.50;} function speed75() { vvid.playbackRate = 0.75;} function speed100() { vvid.playbackRate = 1;} function speed125() { vvid.playbackRate = 1.25;} function speed150() { vvid.playbackRate = 1.5;} function speed175() { vvid.playbackRate = 1.75;} function speed200() { vvid.playbackRate = 2;} function speed400() { vvid.playbackRate = 2;} function speedFaster() { vvid.playbackRate = vvid.playbackRate+0.1;} // ------------ SET TIME POSITION ------------ function pageLoad() { vvid.currentTime=0; vvid.pause(); muteUnmute();}function timeStart() { vvid.currentTime=0; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeValue(id) { var txtbox1 = document.getElementById(id="txt1"); var txt1value = txtbox1.value; vvid.currentTime=txt1value var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeback10() { vvid.currentTime=vvid.currentTime-10; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeback8() { vvid.currentTime=vvid.currentTime-8; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeback6() { vvid.currentTime=vvid.currentTime-6; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeback4() { vvid.currentTime=vvid.currentTime-4; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeback2() { vvid.currentTime=vvid.currentTime-2; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeforward2() { vvid.currentTime=vvid.currentTime+2; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeforward4() { vvid.currentTime=vvid.currentTime+4; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeforward6() { vvid.currentTime=vvid.currentTime+6; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeforward8() { vvid.currentTime=vvid.currentTime+8; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeforward10() { vvid.currentTime=vvid.currentTime+10; var txtbox2 = document.getElementById(id="txt2"); var txt2value = txtbox2.value*1000; setTimeout(function(){ vvid.play(); }, txt2value); vvid.pause();}function timeforwardEnd() { vvid.currentTime=vvid.duration;}function backIt(x) {vvid.currentTime=vvid.currentTime-1;}function normalIt(x) {//this would do something when then mouse leaves the + or - boxes}function forwardIt(x) {vvid.currentTime=vvid.currentTime+1;}// Get the video playback position element (time value) and ending time value with id="video" var vid = document.getElementById("video"); // Assign an ontimeupdate event to the video element, and execute a function if the current playback position has changed vid.ontimeupdate = function() {myFunction()}; function myFunction() { // Display the current position of the video in an element with id="elapsed" document.getElementById("elapsed").innerHTML = (Math.round(vid.currentTime*100)/100).toFixed(2); document.getElementById("duration").innerHTML = (Math.round(vid.duration*100)/100).toFixed(2); document.getElementById("speed").innerHTML = (Math.round(vid.playbackRate*100)/100).toFixed(1); } // --------- SCRIPTS FOR THE TEXT BLOBS ----------- function readBlob(opt_startByte, opt_stopByte) { var files = document.getElementById('files').files; if (!files.length) { alert('Please select a file!'); return; } var file = files[0]; var start = parseInt(opt_startByte) || 0; var stop = parseInt(opt_stopByte) || file.size - 1; var reader = new FileReader(); // If we use onloadend, we need to check the readyState. reader.onloadend = function(evt) { if (evt.target.readyState == FileReader.DONE) { // DONE == 2 document.getElementById('byte_content').textContent = evt.target.result; document.getElementById('byte_range').textContent = ['Read bytes: ', start + 1, ' - ', stop + 1, ' of ', file.size, ' byte file'].join(''); } }; var blob = file.slice(start, stop + 1); reader.readAsBinaryString(blob); } document.querySelector('.readBytesButtons').addEventListener('click', function(evt) { if (evt.target.tagName.toLowerCase() == 'button') { var startByte = evt.target.getAttribute('data-startbyte'); var endByte = evt.target.getAttribute('data-endbyte'); readBlob(startByte, endByte); } }, false);// --------- END OF SCRIPTS FOR THE TEXT BLOBS --- </script> </body> </html>
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hello everyone i am new to this w3 this must be very exciting. I have question about the html code. How do you make the "second img src" move to the center? I am giving you the example the code... <!DOCTYPE html> <head> <style> body {text-align: center; text-align: center; background: url("https://codecademy-content.s3.amazonaws.com/courses/web-beginner-en-3pc6w/images/splash.jpg"); background-size: cover; background-position: center center; background-repeat: no-repeat; background-attachment: fixed; color: white; font-family:Helvetica; font-size: 24px; } input[type=submit] { background: limegreen; color: black; } p { font-size: 24px; color:black; background:white; font-family:Arial; } input{ border: 0; padding: 12px; font-size: 18px; } </style> </head> <body> <img src= "https://codecademy-content.s3.amazonaws.com/courses/web-beginner-en-3pc6w/images/avatar.jpg" height="250" width="250"> <p> Hi! I am learning how to make my very own web page! I really like blueberry muffins and long walks on the beach.</p> <input type="email" placeholder="Email"> <input type="submit"> <img src= "http://seanheritage.com/wp-content/uploads/2013/05/success.jpg" height = "250" width="250"> </body>
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Hello I hope someone can help me. I have an internal website that hosts a support schedule. In short, people submit details via a form and it dumps it into an ODBC linked MS Access database. I also have a PHP page that retrieves all the tables from the database. I have a basic iframe calling it up as follows: <iframe name="display" width="100%" height="80%" frameborder="0" marginwidth="0" marginheight="0" src="dbDisplay.php?month=all"></iframe> If I create this <a href="dbDisplay.php?month=All" target="display">All</a><a href="dbDisplay.php?month=Jan" target="display">Jan</a><a href="dbDisplay.php?month=Feb" target="display">Feb</a> This creates clickable links on the page that work in affecting the PHP-calling iframe. In the PHP I can use the $_GET['month'] to call up the item I have clicked on. How do I get the links to be buttons? I have tried the following: <button href="dbDisplay.php?month=Feb" target="display">Feb</button> and If I change the iframe name to an id and try this <iframe id="display" width="100%" height="80%" frameborder="0" marginwidth="0" marginheight="0" src="dbDisplay.php?month=all"></iframe> <button onclick="display.src=dbDisplay.php?month=Feb">Feb</button> I have also tried a form <form><input type="button" value="Feb" onclick="display.src=dbDisplay.php?month=Feb"><form> However, nothing has worked yet. Any ideas?
