Introduction
Some elements, such as pages, headers, footers, and boxes, can contain
other elements. This occurs when you drag an element onto a container
element and attach it.
These attached elements are considered the parent element's children. Some
actions performed on the parent, such as hiding
,
affect the element's children as well.
About Mixins
Mixins provide functionality that other elements can inherit and use.
Mixins are not elements. You cannot add mixins to a page in the Editor like other $w
elements, and mixins are not meant to be used directly
in your code.
For example, you would not write code like this, because it is out of context:
javascript | Copy Codelet myChildren = $w("#ContainableMixin").children;
Instead, you can code the following if myContainer
is an element that can contain other elements and
"mixes in" ContainableMixin
.
javascript | Copy Codelet myChildren = $w("#myContainer").children;
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