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Tag: html

Showing a forEach in HTML Element

Im fetching a group of documents in a forEach from Firestore, I know im fetching this all as I can see documents and is fields in the console. But when I add the id to the field fetched it only shows one document. (it should be 5 tiles and images but I can only see one) From reading I know

Why is canvas messing with my image’s colors?

I’m developing an app that has a painting feature. The user can paint on an image that is initially made of only pure black and pure white pixels. Later, after the user has finished painting, I need to do some processing on that image based on the colors of each pixel. However, I realized that by the ti…

Function doesn’t accept updated value React JS

ascendingDirectionSort has ‘true’ initial value. It can be changed by dropdownlist. When it is changed, console.log in the sortData function shows updated value, but only the ascendingDirectionSort==true condition executes, even when it’s false. Answer While you are passing boolean values to…

Do I need a Goodreads API key to retrieve book metadata?

I am trying to build an app around books. Goodreads has a great catalogue on books. But they stopped providing new API keys since December 2020. My question is how can I retrieve just book metadata from Goodreads? I don’t want any data associated with a user(in that case, requiring an API key is fair). …

radio and select option with alert

how do i show alert if no radio button selected form two radio button and after that show alert on select option if not selected. but I am getting alert on both radio button how do I fix it Answer The problem is that in your case, the 2 if statements regarding your radio buttons will always be false for

regex works in js but fails in html

I got a regex for matching URIs of YouTube it works well in js but why it fails in html input[pattern] ? Please match the requested format Answer HTML input patterns have an implicit $ at the end, meaning that it expects to match the entire input. You’re not accounting for the &list=RDT4X7Ev7RIZA&am…