<!DOCTYPE html>src="//libs.baidu.com/jquery/1.10.2/jquery.min.js"$(document).ready(function(){$("p:contains(is)").css("background-color","yellow");});Welcome to My Homepageclass="intro"My name is Donald.I live in Duckburg.My best friend is Mickey.Who is your favourite:id="choose"GoofyMickeyPluto