Solved! Go to Solution.
It's not that these coordinate aren't 10200. They're just located very close to 0°N, 0°W
map.graphics.add(new esri.Graphic(polyline, polylineSymbol, null, null));
map.graphics.add(new esri.Graphic(polyline, polylineSymbol, null, null));
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=7,IE=9"> <meta name="viewport" content="initial-scale=1, maximum-scale=1, user-scalable=no"> <title>Build your first application</title> <link rel="stylesheet" href="http://serverapi.arcgisonline.com/jsapi/arcgis/3.4/js/esri/css/esri.css"> <link rel="stylesheet" href="http://serverapi.arcgisonline.com/jsapi/arcgis/3.5/js/dojo/dijit/themes/claro/claro.css" /> <style type="text/css"> html, body, #map { padding: 0; margin: 0; height: 100%; } </style> <script src="http://js.arcgis.com/3.7/"></script> <script> var map; require(["esri/map", "dojo/ready", "dojo/on", "esri/geometry/Polyline", "esri/graphic", "esri/symbols/SimpleLineSymbol", "dojo/domReady!"], function(Map, ready, on, Polyline, Graphic, SimpleLineSymbol) { var map = new Map("map", { center: [-122.67, 45.54], //longitude, latitude zoom: 12, basemap: "streets", slider: true, //default sliderPosition: "top-left" //default }); ready(function (){ on(map, "load", drawPath); function drawPath(){ var polylineJson = { "paths":[[[-122.68,45.53], [-122.58,45.55], [-122.57,45.58],[-122.53,45.6]]], "spatialReference":{"wkid":4326}}; var polyline = new Polyline(polylineJson); var polylineSymbol = new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new dojo.Color([255,0,0]), 3); var g = new Graphic(polyline, polylineSymbol, null, null); map.graphics.add(g); } }); }); </script> </head> <body class="claro"> <div id="map"></div> </body> </html>