I want to change the text of the input placeholder dynamically. The console.log already gives the updated string but the interface doesn’t update so there stays the old placeholder. How can I get the Interface to recognize the change? Answer you can change your input placeholder dynamically like this co…
Tag: javascript
If the input I put blank, then it will count 0
I am trying to put some amount, then it will show the calculation if all input will given any number, but I want, when I do not put anything in any one of that input, then the input will count “0” automatically.. Answer You can use the OR operator to replace NaN with 0 if parseFloat returns NaN. Y…
Cannot assign to read only property ‘name’ of object ‘[object Object]’
The following code will throw an error only for the name property. It could be fixed by specifying name property as writable in Object.create arguments but I’m trying to understand why is this happening(and maybe there is a more elegant way to fix it). Answer You cannot modify the name property of a fun…
What’s the right way to rotate an object around a point in three.js?
Most tutorials/questions about three.js suggest the way to rotate an object around a point using three.js is to create a parent object at the position you want to rotate around, attach your object, and then move the child. Then when the parent is rotated the child rotates around the point. Eg; This works but …
Canonical way to run an array of functions in Javascript/Node
I have found two handy modules called run-parallel and run-series to run arrays functions and return arrays of results. Looking at the little number of contributors and stars in the Github projects, I wonder if there is a canonical way of doing these tasks instead of installing these modules? Maybe there is a…
Can I get data from localstorage using php
Can I get data from localstorage using php if yes then tell me how in localstorage data set like this Answer No, you can’t. PHP runs on your server, the localStorage is only available in the browser of the client. The only way is to read the localStorage via JavaScript, and send the result to your serve…
How can I grab a selection of markers with Leaflet.draw?
Context: I’ve made a map, and populated it with around 300 random markers. I can ‘select’ the markers by clicking on a link in the popup and activate a selection to display data from. I also have the Leaflet.draw plugin to draw shapes like circles, rectangles and custom shapes, and I would l…
Angular – How do directives “see” template & ViewContainer?
I have a simple component which injects numbers after a delay via custom directive named *appDelay I already know that * is a hint for Angular to de-sugar the syntax into something like I also know that we can Inject components/templates to the viewContainer via : The directive code is : The docs states : To …
ES6 – is there an elegant way to import all named exports but not the default export?
I am looking for an elegant way to import all named exports without having to import the default as well. In one file I am exporting many named constants plus a default: In another file I would like to have an elegant way to import all named exports only, without having to import the default: I do not want to…
Only hide the window when closing it [Electron]
I try to hide my main window so that I hasn’t to load again later. I got the following code: So that’s not working for me, when I close the window I get this error message: Can somebody help me? Line 37 is the line with win.hide() Thank you! Answer Use the close event instead of the closed event. …