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This topic is part of the manual Journey JavaScript SDK for version Current of Altocloud.

Learn how to configure which element Altocloud tracks on your websites as they appear and disappear from the viewport, so you have more accurate page tracking information for use in segments and outcomes.


The autotrackInViewport module tracks when an element becomes visible in the viewport or disappears from the viewport. To use autotrackInViewport, use the following options to configure the elements that you want to track:


ac('load', 'autotrackInViewport', config, [callback]);


ac('load', 'autotrackInViewport', {
  inViewportEvents: [
    { selector: '', eventName: 'green_button_element' },
    { selector: 'footer *', eventName: 'footer_element' }
}, function () {
    console.log('"autotrackInViewport" has been loaded');

Config (required)

Description: identifies an array of elements that should be tracked.

Type: object


Name Description Type Status
selector A string that selects elements. For more information, see String required
eventName is a string that will be used as the event name when an element matching the selector moves into or outside the viewport. String required


  inViewportEvents: [
    { selector: '', eventName: 'green_button_element' },
    { selector: 'footer', eventName: 'footer_element' }


When a module fully loads, callback is executed. No arguments are passed to the callback.