Category "javascript"

Preview PDF file in a HTML modal, then print to a paper size using PHP or JS

I need some php or javascript script first to display a PDF file in a HTML modal (client browser) and then to print a PDF file from html modal (client browser)

(hashlips_art_engine-1.1.2_patch_v5) The "path" argument must be of type string. Received undefined

I'm trying to update some metadata for 10 JSON files, some of them get updated properly and some others give me the following error. Below you can see 6 files g

Larael/Vue/JS minimalize/lost focus/changed card alert

Im coding web page and i need to know when user minimalize window/ lost focus on window/ changed card in browser. Is there any function which can give me that i

How can I make my API date field to be 3 business days from today's date taking weekends (Sat and Sun) into account using JS?

I am using javascript for to communicate with platform's api. Just have a quick question! There is a date picker which you can click and pick any date. My task

How to pass redux props to styled component in react typescript

i'm pretty new to typescript and there's something that is not very clear to me. I'm trying to pass a prop to styled-component file, the prop arrive from redux

Create.js/Easel.js - createjs.Bitmap() - Getting SVG to load at original size?

I am using createjs.Bitmap to add an SVG to the stage. This is in Adobe Animate HTML5 Canvas which uses the Create.js/Easel.js frameworks. The project is usin

Textblock following mousepointer

I want a piece of text to follow the mousepointer, but only when the mouse is hovering over an image. Until now it works partly: when the mouse accesses the ima

How to derive public key from private key using WebCryptoApi?

The private key is generated using Elliptic Curve. None of the methods from the SubtleCrypto interface of the Web Crypto API seem to be able to derive a public

Algorithm to find binary value of all cells in (n x n) Tic-tac-toe board?

I found this great answer by Gary C, which uses bitwise operators and minimal number of comparisons to check for a win in Tic-tac-toe. The only issue is that th

How to predict the y based on past data

I have a data array like this {x: 0, y: 7.9} {x: 1, y: 7.5} {x: 2, y: 7.0} {x: 3, y: 7.4} {x: 4, y: 7.3} {x: 5, y: 7.2} {x: 6, y: 7.5} {x: 7, y: 7.6} {x: 8, y:

Content-Security-Policy with 'unsafe-inline' not working

In my chrome extension code, I need to inject a <script> tag with code, but I get this error: Refused to execute inline script because it violates the fol

Local storage of Web BrowserAPI not working

I have used local storage to store user's password in my webpage for authentication. However, on hosting the website, the local storage has stopped working at a

Defining a class with or without the .prototype

In the absence of using the class keyword, what is the difference between the following two ways to construct an inherited object? In the first one I'm attachin

How to use JavaScript or jQuery to get updated styles when the pseudo element is :hovered or :active or :linked

It seems getComputedStyle only returns the original style of the pseudo element. getComputedStyle does, however, return the style of regular elements when they

How can I loop through an array one by one when a button is clicked

I want to be able to loop over an array one by one when the next button is clicked. I have a code in place but it only goes to the next one and then sticks to t

How to handle large no of data/records from backend and display in UI as Angular

There could be following possibilities, need help against each one. Pagination can be implemented, but if we apply pagination, then can we search data from all

Cannot click a button using puppeteer

I am trying to loop through an array to search and add multiple items in cart in https://www.woolworths.com.au/shop/search/ However, after the search the add to

"Variable" variables in JavaScript

I know it's possible in PHP to have "variable" variables. For example, $x = "variable"; $$x = "Hello, World!"; echo $variable; // Displays "Hello, World!" Is

What input type should I use for code which combines text and numbers? How to declare in TypeScript to avoid errors?

I'm using VueJs (coming from React so I'm new), and I have this input which contains a code => combinations of vowels and numbers. I'm having 2 problems, fir

Replacing JS require('...') with ESM imports

After updating node-fetch to v3, the following JavaScript error message appears when trying to launch my Electron app: Uncaught Exception: Error [ERR_REQUIRE_ES