I’m trying to do a specific action on the clicked element if an argument is passed in the on click method in jQuery. When I try to access this it’s referencing the entire window instead of the clicked on element. How would I access the clicked on element in the handler? Here’s the code IR…
Tag: javascript
Use D3.min to find lowest value that is not 0
I’m trying to use D3 to find the lowest value in my dataset. However, I also have values that are 0, but I want D3 to find the lowest value that is not 0. Currently I am using: But obviously this returns 0 sometimes, when a 0 is found. Is there a way to do this? Or is the only
Time and events in soundcloud embed
How can I get the duration of a track on SoundCloud in JavaScript or PHP? Can I use this duration with JavaScript events? Answer Working JSFiddle: https://jsfiddle.net/aj3Pw/1/ HTML: JS: Relevant documentation: https://developers.soundcloud.com/docs/widget#methods
How to manually invoke Link in React-router?
I have a component that receives through props a <Link/> object from react-router. Whenever the user clicks on a ‘next’ button inside this component I want to invoke <Link/> object manually. Right now, I’m using refs to access the backing instance and manually clicking on the …
Do I need multiple event listeners for multiple audio elements-JavaScript?
I’m writing a silly page where I have 5 audio elements named myAudio1 thru myAudio5, and I want to display hello/goodbye messages when each of these audios are played/ended. My current (certainly not the best) approach is having a JavaScript snippet for each of my audio tags: (this is for the first one)…
Calling JavaScript from C++ with node.js
Is there a way to call JS functions from C++ through node.js (as callbacks or something like that)? If yes, how? I’m searching for it on the web, but haven’t found any helpful resource. Thanks in advance Answer One way to do it form a native addon can be using the provided function as a callback, …
How to loop and render elements in React.js without an array of objects to map?
I’m trying to convert a jQuery component to React.js and one of the things I’m having difficulty with is rendering n number of elements based on a for loop. I understand this is not possible, or recommended and that where an array exists in the model it makes complete sense to use map. That’…
Input jQuery get old value before onchange and get value after on change
I have an input text in jQuery I want to know if it possible to get the value of that input text(type=number and type=text) before the onchange happens and also get the value of the same input input text after the onchange happens. This is using jQuery. What I tried: I tried saving the value on variable then …
Preserve aspect ratio for SVG Text
This is an edited copy of https://stackoverflow.com/questions/29105120/preserve-aspect-ratio-for-svg-text-and-react-to-javascript-touch-events which I will remove, because it asked 2 related but technically different questions. as I already explained in my last question, I’m trying to make a navigation-…
How do you JSON.stringify an ES6 Map?
I’d like to start using ES6 Map instead of JS objects but I’m being held back because I can’t figure out how to JSON.stringify() a Map. My keys are guaranteed to be strings and my values will always be listed. Do I really have to write a wrapper method to serialize? Answer Both JSON.stringif…