How to embed content in a component with Angular2's ng-content instruction

This article is about how Angular2's ng-content directive embeds content in the component. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Ng-content instructions can embed template code in components to facilitate customization of reusable components.

For example: the header of the page is a general component, the navigation menu style has been set, only need to add the menu content in the header tag.

Use the ng-content tag to add the menu tag content contained in the parent component template to the specified location. The select attribute supports css selectors, such as "# id", ".class", "[name=value]", etc.

Template for the header component:

{{title}}

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How to use the parent component:

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