Angular 7/6 | Parent Child Checkbox List Structure with Expand Collapse

In this post we will discuss on How to Create a Checkbox List having parents and child structure, using single data object.

What we will do here?

– Create a list with parents and children each having a checkbox.
– Parents having controls to expand/ collapse respective children.
– Expand/ Collapse All control on top of the list.
– Select/ Unselect All control on top of the list.

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