![]() ![]() ![]() I have specified a function to handle the event in the parent component. When I checked the component in my react developer tools extension I got that the onDelete event is undefined, and when I clicked the button nothing happened. We just started implementing the delete button and tried to log to the console to see if the button was responsive. For each counter component we had a span element and two button elements, one to increment the number in the span element and one to delete the component itself. Strings Doing Math: Using variables to store and use numbers. Variables and Data: How to create variables and how you use them. Making Stuff Happen: Applying JavaScript and using the console. Start by using one of our thumbnail templates. ![]() For many, it is the medium of choice over books or articles when it comes to picking up new skills. An introduction to programming in general, through the medium of JavaScript. Create professional looking thumbnails for your YouTube videos with our free online YouTube thumbnail maker. We were writing a shopping cart app and we had a Counters class that holds multiple objects from the Counter class. 5 of the best JavaScript Tutorials on YouTube You can learn almost anything on YouTube. Per encourages you to code to build up your JavaScript muscle memory. The course is built around 143 interactive challenges. ![]() He is the founder of and he is a great teacher. I have looked at other similar posts on a similar issue and I have not found a solution to my problem in them. We just released a 7-hour beginner's JavaScript course on the YouTube channel. I am fairly new to both JS and react and was trying to learn it via a Youtube tutorial that was from 4 years ago, so there may be some changes to the code that I am unaware of. ![]()
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