I am trying to add an event listener to detect a change in the state of an HTML5 details node. Initially I tried attaching a listener to the open and close events as it makes logical sense to me for a details node to have those listeners, but it doesn’t and I do not see any mention of them in
Tag: html
How to play only the audio of a Youtube video using HTML 5?
Is it possible to play only the audio from a YouTube video using HTML 5 and Javascript? Answer Embed the video player and use CSS to hide the video. If you do it properly you may even be able to hide only the video and not the controls below it. However, I’d recommend against it, because it will be a
JavaScript code to stop form submission
One way to stop form submission is to return false from your JavaScript function. When the submit button is clicked, a validation function is called. I have a case in form validation. If that condition is met I call a function named returnToPreviousPage(); I am using JavaScript and Dojo Toolkit. Rather going …
Detect if HTML5 Video element is playing [duplicate]
This question already has answers here: How to tell if a <video> element is currently playing? (7 answers) Closed 1 year ago. I’ve looked through a couple of questions to find out if an HTML5 element is playing, but can’t find the answer. I’ve looked at the W3 documentation and it has …
Toggle display:none style with JavaScript
I want to change the style (second line below) to remove the display: none; part when the user clicks on the “Show All Tags” link. If the user clicks the “Show All Tags” link again, I need the display: none; text added back in to the “style…” statement. I’ve sea…
How to make a text flash in html/javascript?
I know flashing text is banned at many places but still as my client requires it, I need to flash one line of text using HTML, JavaScript which ever is feasible. I would like the text to appear and disappear within seconds and continue this cycle. I know text-decoration:blink in CSS can do this but it only wo…
Printing a web page using just url and without opening new window?
I am using this script to print a webpage. My views render this page and The JS take care all other things. But I dont want to open new window for that. So, What should I use instead of window.open(URL) so no new window opens. Similarly, I don’t want to open new window for print function.So, Whenever I …
How to parse Excel (XLS) file in Javascript/HTML5
I am able to read Excel file via FileReader but it outputs text as well as weird characters with it. I need to read xls file row-wise, read data in every column and convert it to JSON. How to read xls file row by row? Answer Below Function converts the Excel sheet (XLSX format) data to JSON. you can add
Fadeout all nested divs
On my page I’m trying to do smth like that: Lets say, when we click on some link with id min_reg it animates div with idftr_form_cntr, and shows another div tcr_form_cntr within. There are 3-4 links that does same function but shows another div within ftr_form_cntr. Well if user clicked one of this link…
How to find the height of an element that is not displayed
I’m writing a webpage that has a table with rows that slide open and closed. Initially, some rows are closed (display: none), and I want them to slide open. Setting the height and using overflow: hidden doesn’t work on table rows, so I’m changing the height of a div inside the table. This wo…