The indexOf() returns the index of the first occurrence of a substring in a string, or -1 if the string does not contain the substring. · The indexOf() is case- ... ... <看更多>
Please edit your question, and show the relevant JavaScript there, where it can be read, not in the comments where it's incredibly difficult to ... ... <看更多>
I've built a JavaScript function returning the index of the nth occurrence of a substring in a string. $(document).ready(function() { var ... ... <看更多>