Judge the existence of element

1、 Video example

To be launched.

 

2、 Function description

The subsequent process is executed according to whether the element exists or not.

 

3、 Attribute description

●Judgment type: you can judge the status of the target element. You can select & ldquo; & rdquo; Or & ldquo; & rdquo; does not exist;.

●target: here, you can select the ID of the element from the variable panel, or manually select an existing element or obtain a new element from the element selection panel.

 

4、 Use example

After adding components, set parameters in the attribute area on the right, judge the elements according to the actual needs, and then execute the corresponding business code;