javascript - How do I remove these green dots randomly?

Question

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Answer 1

Based on your example, you use a .dotClass to identify the Ellipse that's been added and when you trigger deleteDots function, you select the class and set it to array by using

var ellipseClass = $(".dotClass").toArray()

Then what you need to remove the Ellipse is just call

ellipseClass[i].remove(); // i is the index that you want to remove

Here's the updated results on JSFiddle