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How can I use ArcGIS API for JavaScript?
Mapping applications built with the ArcGIS API for JavaScript commonly allow users to click or hover over a map and get information about all the features under the current mouse location. To add this functionality to your application you can listen for the graphics layer’s onClick event, however if graphics are stacked on
How to listen for events in ArcGIS API?
In the ArcGIS API for JavaScript, the recommended way to listen for events is to use on. It is also possible to use dojo/aspect or the older dojo/_base/connect module to listen to or respond to events.
How to access features with pointer events in JavaScript?
If a feature is returned, then the sample displays an information pertaining to this feature. The sample displays hurricane paths. Click any line segment to view some of its attributes and assign the same symbol to all line segments with the same storm name. Was this page helpful?
How to search for a mouse click in JavaScript?
One approach is to do the following: Listen for a click event, perhaps onMouseDown or onClick. Define a search radius by constructing a new extent around the input point. Use dojo.Filter to create a new array that contains only the features that are within the search radius.
Where does the JSON come from in ArcGIS?
Creates a new instance of this class and initializes it with values from a JSON object generated from an ArcGIS product. The object passed into the input json parameter often comes from a response to a query operation in the REST API or a toJSON () method from another ArcGIS product.
How do you find graphics under the point JavaScript?
JavaScript commonly allow users to click or hover over a map and get information about all the features under the current mouse location. top of each other, only the top one fires an event. So how do you determine how many graphics are under the point?
How to use feature layer hover in JavaScript?
Because the feature layer inherits from graphics layers you can take advantage of graphics layer mouse events. This code listens for onMouseOver to display an InfoWindow when the mouse hovers over a graphic. “dijit/TooltipDialog”, “dijit/popup”, “dojo/domReady!”
How does JavaScript allow you to find a map?
JavaScript commonly allow users to click or hover over a map and get information about all the features under the current mouse location. To add this functionality to your application you can listen for the graphics layer’s onClick event, however if graphics are stacked on top of each other, only the top one fires an event.