Failed to execute 'removeChild' on 'Node'

Question

I\'m using http://alexgorbatchev.com/SyntaxHighlighter/ to highlight code on my website but sometimes in my log im getting Javascript errors like this :

Answer 1

you need to check each time the method is executed whether the element is a child of the given parent.

if(box.parentElement === parentBox) {
    parentBox.removeChild(box);
}