xxxxxxxxxx<html> <head> <meta charset="utf-8"/> <meta http-equiv="Content-Language" content="en" /> <meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, width=device-width"> <title>Geologic Time</title> <link rel="stylesheet" href="timescale.css" /> </head> <body> <div id="geoTime"></div> <form id="go-to-period"> <label for="select-period">Go to time period:</label> <input type="text" list="time-periods" id="select-period" name="select-period" required/> <datalist id="time-periods"> </datalist> <button type="submit">Enter</button> </form> <script src="https://d3js.org/d3.v5.js"></script> <script src="timescale.js"></script> <script type="text/javascript"> timescale.init("geoTime"); </script> </body></html> https://d3js.org/d3.v5.js