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ViewChild is undefined in angular 13

I am trying to call view child of a child component from parent and getting undefined in the console. see the image also see the stack blaze for the same https://stackblitz.com/edit/angular-ivy-k4m2hp?file=src%2Fapp%2Fhello.component.ts Please help to get the child component this.testChildComponent So that i …

React API not showing the data

I am not able to retrieve content from API every time I reload my page it shows error, please see the attached image, I wanted to find the weather details using Weather API and right now I am using static latitude and longitude. https://i.stack.imgur.com/oqr7i.jpg Answer The problem with your code is that you…

Filter Array Javascript/typescript

I have an array that needs to be filtered with specific condition If any value has -backup has suffix then it should take that and it should avoid the one without backup . Here fghij-backup has value with backup so that is the priority. If the value doesnt have backup has suffix then it should take it has pri…

Clear canvas by JavaScript

I am using this jQuery plugin to make free drawing over a canvas. I want to clear the canvas for redrawing but after I do and when I click inside canvas for redrawing the old drawing that I cleared appears again Answer This plugin stores all the drawing commands in an actions array, and at each redraw it will…