How to create a jQuery function (a new jQuery method or plugin)?
From the Docs: Then you do
javascript
How to write a countdown timer in JavaScript?
I have two demos, one with jQuery and one without. Neither use date functions and are about as simple as it gets. Demo with vanilla JavaScript Expand snippet Demo with jQuery However if you want a more accurate timer that is only slightly more complicated: Expand snippet Now that we have made a few pretty … Read more
jQuery .on(‘change’, function() {} not triggering for dynamically created inputs
You should provide a selector to the on function: In that case, it will work as you expected. Also, it is better to specify some element instead of document. Read this article for better understanding: http://elijahmanor.com/differences-between-jquery-bind-vs-live-vs-delegate-vs-on/
Automatically pausing html5 video as the ‘next’ button is pressed (javascript/ jquery)
Unless your jQuery is at the end of the document, remember to wrap it in jQuery(function($) {…}). Attach all event handlers in javaScript, not HTML. This is not essential, but allows you to see all your interactive code in a single glance. Stay aware that .play() and .pause() are <video> element methods, not jQuery methods. … Read more
Fetch: POST JSON data
With ES2017 async/await support, this is how to POST a JSON payload: Expand snippet Can’t use ES2017? See @vp_art’s answer using promises The question however is asking for an issue caused by a long since fixed chrome bug.Original answer follows. chrome devtools doesn’t even show the JSON as part of the request This is the … Read more
How to set header and options in axios?
I use Axios to perform an HTTP post like this: Is this correct? Or should I do:
JavaScript: SyntaxError: missing ) after argument list
I am getting the error: SyntaxError: missing ) after argument list With this javascript: What does this error mean?
TypeError: Router.use() requires middleware function but got a Object
If your are using express above 2.x, you have to declare app.router like below code. Please try to replace your code with Please click here to get more details about app.router Note: app.router is depreciated in express 3.0+. If you are using express 3.0+, refer to Anirudh’s answer below.
How to play audio?
If you don’t want to mess with HTML elements: Show code snippet This uses the HTMLAudioElement interface, which plays audio the same way as the <audio> element. If you need more functionality, I used the howler.js library and found it simple and useful. Show code snippet