If the Hidden input takes its value from a text input, how can I monitor the change and implement something when changing the Hidden core value? example: Answer You can fire keyup explicitly using: You have to just add this line: $(‘#input1’).trigger(“keyup”);
Tag: javascript
Javascript event listeners and arrays
I am trying to recreate a scratch-to-reveal-image effect with 3 images in an array triggered by 3 buttons. My event listener is not working, as you can see, it shows the same revealed images no matter the button. The event listener syntax has confused me a bit and I would like some help on that specifically. …
How can I dynamically style programmatically generated SVG?
I am using a js library (mermaid) to generate svg on a web page. I need to dynamically apply styling to parts of the svg as the user activates various commands using keyboard shortcuts, Particularly, I need to highlight the element in the svg that is currently designated as the selected one in the logical mod…
How to sort multi-array / nested map by value (e.g. from Firestore) in JavaScript
I’m trying to get a multi-array / nested map sorted by value via JavaScript / TypeScript. My array currently looks like this: Now I’d like to sort by the [‘information’][‘name’] values like this: Does anybody know how to do that? I’m especially struggling with the nes…
How to get specific key counts that are serials
There is a dynamic object with the item_description_ key suffix index. In addition to these keys, there are other different keys. How can I get the counts of the item_description_ keys? Expected result should be 3 in the above example. Answer You can use Object.keys to get all the keys of the object into the …
setState for react function component not updated my state
I’m setting state for start and end date of checkin and checkout date. I got validDateRange which is an array of valid date and length. Try to set the state of total to the length of array multiply with the price of the room but somehow react not updating my total state. The log of totalCost is totally …
React Native format cookie
I have a cookie that looks like this: Are there any libraries that could help me format the string to something such as: I’ve been looking through set-cookie-parser but doesn’t look it contains any useful functions. Answer Try this. //Output
In Javascript, make the content wrap, and some of them wrap an extra line
This is the instruction I did not use to add newlines.The picture shows what it looks like now. This is the instruction I use to add newlines.The picture shows what it looks like now. I actually made the text look the same as Figure 2, but Figure 2 somehow skipped one more line. All, my question is why this p…
React equivalent to ejs
Im used to do this kind of code using ejs, is there an equivalent way of doing this using react? What Im trying: I need to create a new to each aux.Complements elements, the problem is that I cant do {return complement.title} inside html elements What I get: Expected an assignment or function call and instead…
Why is this onClick event handler firing twice in my create-react-app
can someone tell me why is this “upvote” onClick handler firing twice? the logs would indicate it’s only running once but the score it controls increases by 2 on the other hand if I rewrite the handler this way, then it fires only once Answer My best guess is that in the first case, you are …