JS is used to obtain the youtube key instance from the connection.

JS is used to obtain the youtube key instance from the connection.

This article describes how JS obtains the youtube key from the connection. Share it with you for your reference. The specific analysis is as follows:

This Code demonstrates how to extract a substring from a string.

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// Example link: // <A id = "myLink" href = "http://www.youtube.com/watch? V = cyRqR56aCKc & feature = PlayList & p = 00000000000 & index = 0 & playnext = 1 "> Youtube link </a> Var youtubeLink = document. getElementById ('mylink'). href; Var youtubeVideoKey = youtubeLink. substr (youtubeLink. lastIndexOf ("v =") + 2, 11 ); // YoutubeVideoKey will return "cyRqR56aCKc"

I hope this article will help you design javascript programs.