This page describes a drag-‘n’-drop algorithm. Looking only at the first snippet of code (which the article continually improves upon), it says it’s important we use document in document.addEventListener(‘mousemove’, onMouseMove);. Is this because if we were to use ball, there…
Tag: javascript
undefiend value in array of objects Vuejs
im trying to make an array with objects but while looping i get as a result the first 83 objects as undefiend and only the last 4 with correct data. I tried to refactor the code several times but i dont seem to find a solution. This is the console log result i get This is the network response i
Why my program using switch always go to default
My program always outpout test which should not happen. Its like the program is skipping the case to go to default right away. I don’t understand why it does that. I’ve spent 30 mins to find a solution but I can’t understand why it does that. Thanks for helping me ! Answer You are doing ani.…
Change all border colors
I am trying to change all border colors on the current page once a button is clicked. I do this by toggling a class and define that class in CSS. The code above does not work as it applies a border to everything on the page, and removing the “border-style” will make the code invalid. Answer First …
How does one avoid or suppress code exceptions while trying to assign an object value via exactly one expression
I am really at the beginning with JavaScript and I am trying to assign a value of my object field. The value is coming from another object, but that value must be modified. It crashes if the value is null, so I need a try-catch block but I don’t know how to do it. I want to convert some values
How can I filter through an array an return it instead of another one in this Svelte project?
I am working on a small Svelte application, for learning purposes (Im new to Svelte). The application displays a JSON of countries in a Bootstrap 4 table. There is also a text box that can be used to filter through the countries: See a REPL with the entire code HERE. I am looking for a way to filter through t…
Smoothly move an SVG line along a rectangular path
I am trying to recreate the following animation: I am having trouble with getting a line to properly animate around corners. I’ve tried using an animateMotion-element like so: But the line is not smoothly rounding corners. Any idea on how to get it to make it move smoothly around corners as shown in the…
React Native giving error that variable is not defined when it is
I have linked an external JS File using require(), it has even recognized it. When i will call a function from that external file it will indicate that the function been recognized but it will still give error that it Can’t find the variable (in my case is a function named text()). My App.js: functions.…
How to store data in angular [closed]
I am writing an application using angular. Once the server authentication is done I may have to store few details in the client side. e.g user name , password, location, roles etc which is required …
Why the initial value did not change?
Help please, why the initial value did not change? *For some reason if I remove clock “else” everything works fine. Answer Due to hoisting, the var moves the declaration to the top of the function. So instead of value being the reference to the global, it is now scoped to your function. So your co…