2015 Missouri GIS Conference JavaScript Workshop
Links
ArcGIS API for JavaScript - https://developers.arcgis.com/javascript/
ArcGIS API for JavaScript Web Optimizer - http://jso.arcgis.com/
Dojo - http://dojotoolkit.org/
Create loading gifs - http://www.ajaxload.info/
JavaScript/HTML/CSS Beautifier - http://jsbeautifier.org/
Extent Helper - http://psstl.esri.com/apps/extenthelper/
Links to Rest Services
http://sampleserver6.arcgisonline.com/arcgis/rest/services
http://maps.indiana.edu/arcgis/rest/services
http://msdisweb-nn.col.missouri.edu:6080/arcgis/rest/services/
http://gis.srh.noaa.gov/arcgis/rest/services