How to check if a selected string contains a substring of an highlight in epubjs
问题 As the title above. Assume, I have a paragraph: It will be seen that this mere painstaking burrower and grub-worm of a poor devil of a Sub-Sub appears to have gone through the long Vaticans and street-stalls of the earth. . The bold string is a highlight. When I drag my mouse to select string grub-worm of a poor devil of a Sub-Sub Then I want to check if my selected text contains the highlight(or the part of the highlight) or not. How could I do that? The code below is the example to add a