![]() ![]() To change the hidden text, edit the text that follows. To change the label, simple edit the text between the two tags. You can use this code by copying and pasting it into the text editor of your own Pressbooks chapter. The code above would produce a disclosure widget that looks like this: This text is hidden at first, but can be expanded by the user. Here’s some sample code for a very minimal show/hide disclosure widget: If the first child element is a, whatever appears within the summary will be used as the label for the show/hide box. The details element is very simple and starts and ends with the standard HTML tags: and. A more accurate label might be ‘Collapse or Expand Text’ or even ‘Show/Hide’. In this case, we wrote ‘Show More’ - this is fine when text is collapsed, but it is no longer true when the text is expanded. This just means that you should choose carefully what the text says. No matter whether the details element is open or closed, the text remains the same. If (event.data = YT.PlayerState.One important thing to note is that the description of the details element is fixed, meaning that it does not dynamically change based on state changes. the player should play for six seconds and then stop. The function indicates that when playing a video (state=1), The API calls this function when the player's state changes. The API will call this function when the video player is ready. This function creates an (and YouTube player) Var firstScriptTag = document.getElementsByTagName('script') į(tag, firstScriptTag) ![]() Var tag = document.createElement('script') This code loads the IFrame Player API code asynchronously. (and video player) will replace this tag. The numbered comments in the HTML are explained in the list below the example. The sample HTML page below creates an embedded player that will load a video, play it for six seconds, and then stop the playback. Thus, this function might create the player objects that you want to display when the page loads. OnYouTubeIframeAPIReady – The API will call this function when the page has finished downloading the JavaScript for the player API, which enables you to then use the API on your page. We recommend 16:9 players be at least 480 pixels wide and 270 pixels tall.Īny web page that uses the IFrame API must also implement the following JavaScript function: You can refer this answer to set height dynamically at load time. If the player displays controls, it must be large enough to fully display the controls without shrinking the viewport below the minimum size. You cant really remove vertical scrollbar if you have dynamic content in your iframe using any css property. Most modern browsers support postMessage.Įmbedded players must have a viewport that is at least 200px by 200px. The user's browser must support the HTML5 postMessage feature. It also details the different JavaScript functions that you can call to control the video player as well as the player parameters you can use to further customize the player. It identifies the different types of events that the API can send and explains how to write event listeners to respond to those events. The hidden attribute is used to indicate that the content of an element should not be presented to the user. This guide explains how to use the IFrame API. You can also add event listeners that will execute in response to certain player events, such as a player state change. Using the API's JavaScript functions, you can queue videos for playback play, pause, or stop those videos adjust the player volume or retrieve information about the video being played. ![]() The IFrame player API lets you embed a YouTube video player on your website and control the player using JavaScript. ![]()
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