IntersectionObserver interface's read-only
thresholds property returns the list of intersection
thresholds that was specified when the observer was instantiated with
only one threshold ratio was provided when instantiating the object, this will be an
array containing that single value.
An array of intersection thresholds, originally specified using the
threshold property when instantiating the observer. If only one observer
was specified, without being in an array, this value is a one-entry array containing
that threshold. Regardless of the order your original
threshold array was
in, this one is always sorted in numerically increasing order.
threshold option was included when
IntersectionObserver() was used to instantiate the observer, the value of
Note: Although the
options object you can specify when creating an
IntersectionObserver has a field named
threshold, this property is called
thresholds. Confusing? Yes. If you accidentally use
thresholds as the name of the field in your
thresholds array will wind up being
[0.0], which is likely
not what you expect. Debugging chaos may ensue.
|Intersection Observer |
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