Show a note near the element
Create a function
positionAt(anchor, position, elem) that positions
elem, depending on
position must be a string with any one of 3 values:
elemimmediately at the right of
It’s used inside function
showNote(anchor, position, html), provided in the task source code, that creates a “note” element with given
html and shows it at the given
position near the
Here’s the demo of notes:
In this task we only need to accurately calculate the coordinates. See the code for details.
Please note: the elements must be in the document to read
offsetHeight and other properties.
A hidden (
display:none) or out of the document element has no size.