# IntersectionObserver wx.createIntersectionObserver(Object component, Object options)
Start from base library version 1.9.3. Please remaining backward compatible.
with Promise style call: Not supported
Mini Program plugin: Support, need to Mini Program base library version no less than 1.9.6
Creates and returns a IntersectionObserver Object instance. In a custom component or a page that contains it, you should use the this.createIntersectionObserver([options]) To replace.
# parameter
# Object component
Custom component instance
# Object options
to make a choice
| attribute | type | Default values | Required | Introductions | Minimum version |
|---|---|---|---|---|---|
| thresholds | Array.<number> | [0] | no | An array of values containing all thresholds. | |
| initialRatio | number | 0 | no | The initial intersection ratio, which triggers a listener callback if the intersection ratio detected when called is not equal to this value and reaches a threshold. | |
| observeAll | boolean | false | no | Whether multiple target nodes are observed simultaneously (instead of one), if set to true ，observe of targetSelector Multiple nodes will be selected (Note: Selecting too many nodes at the same time will affect rendering performance) | 2.0.0 |