<!-- Do not edit this file. It is automatically generated by API Documenter. --> [`MarkdownRenderChild`](MarkdownRenderChild) › [`(constructor)`](MarkdownRenderChild/(constructor).md) ## MarkdownRenderChild.(constructor) Constructs a new instance of the `MarkdownRenderChild` class **Signature:** ```typescript constructor(containerEl: HTMLElement); ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | <code>containerEl</code> | <code>HTMLElement</code> | This HTMLElement will be used to test whether this component is still alive. It should be a child of the Markdown preview sections, and when it's no longer attached (for example, when it is replaced with a new version because the user edited the Markdown source code), this component will be unloaded. |